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The '''PlayStation 2''' ('''PS2''') is a [[home video game console]] that was developed by [[Sony Computer Entertainment]]. It is the successor to the [[PlayStation (console)|PlayStation]], and is the second installment in the PlayStation lineup of consoles. It was released on March 4, 2000 in [[Japan]], October 26, 2000 in [[North America]], November 24, 2000 in [[Europe]], and November 17, 2000 in [[Australia]]. It competed with [[Sega]]'s [[Dreamcast]], [[Microsoft]]'s [[Xbox (console)|Xbox]], and [[Nintendo]]'s [[GameCube]] in the [[sixth generation of video game consoles]].
The '''PlayStation 2''' ('''PS2''') is a [[home video game console]] that was developed by [[Sony Computer Entertainment]]. It is the successor to the [[PlayStation (console)|PlayStation]], and is the second installment in the PlayStation lineup of consoles. It was released on March 4, 2000 in [[Japan]], October 26, 2000 in [[North America]], November 24, 2000 in [[Europe]], and November 17, 2000 in [[Australia]]. It competed with [[Sega]]'s [[Dreamcast]], [[Microsoft]]'s [[Xbox (console)|Xbox]], and [[Nintendo]]'s [[GameCube]] in the [[sixth generation of video game consoles]].


Announced in 1999, the PlayStation 2 was the first PlayStation console to offer [[Backward compatibility|backwards compatibility]] for its predecessor's [[DualShock]] controller, as well as for its games. The PlayStation 2 is the [[List of best-selling video game consoles and handhelds|best-selling video game console]] of all time, selling over 155 million units, with 150 million confirmed by Sony in 2011.<ref name="150millionSony">{{cite web|url=http://www.scei.co.jp/corporate/release/110214_e.html|archive-url=https://web.archive.org/web/20110218014215/http://www.scei.co.jp:80/corporate/release/110214_e.html|dead-url=yes|archive-date=February 18, 2011|title=PLAYSTATION2 sales reach 150 million units worldwide|accessdate=February 14, 2011|date=February 14, 2011|publisher=[[Sony Computer Entertainment]]}}</ref> More than [[List of PlayStation 2 games|3,874 game titles]] have been released for the PS2 since launch, and more than 1.5 billion copies have been sold.<ref>{{cite web|last=Makuch|first=Eddie|url=http://asia.gamespot.com/news/6298857.html?om_act=convert&om_clk=newstop&tag=newstop%3Bstory%3B17|title=150 million PS2 units shipped worldwide – News at GameSpot|publisher=Asia.gamespot.com|date=February 15, 2011|accessdate=March 27, 2011}}</ref> Sony later manufactured several smaller, lighter revisions of the console known as ''Slimline'' models in 2004 and well on, and in 2006, announced and launched its successor, the [[PlayStation 3]].
Announced in 1999, the PlayStation 2 was the first PlayStation console to offer [[Backward compatibility|backwards compatibility]] for its predecessor's [[DualShock]] controller, as well as for its games. The PlayStation 2 is the [[List of best-selling video game consoles and handhelds|best-selling video game console]] of all time, selling over 155 million units, with 150 million confirmed by Sony in 2011.<ref name="150millionSony">{{cite web|url=http://www.scei.co.jp/corporate/release/110214_e.html|archive-url=https://web.archive.org/web/20110218014215/http://www.scei.co.jp/corporate/release/110214_e.html|dead-url=yes|archive-date=February 18, 2011|title=PLAYSTATION2 sales reach 150 million units worldwide|accessdate=February 14, 2011|date=February 14, 2011|publisher=[[Sony Computer Entertainment]]|df=mdy-all}}</ref> More than [[List of PlayStation 2 games|3,874 game titles]] have been released for the PS2 since launch, and more than 1.5 billion copies have been sold.<ref>{{cite web|last=Makuch|first=Eddie|url=http://asia.gamespot.com/news/6298857.html?om_act=convert&om_clk=newstop&tag=newstop%3Bstory%3B17|title=150 million PS2 units shipped worldwide – News at GameSpot|publisher=Asia.gamespot.com|date=February 15, 2011|accessdate=March 27, 2011|deadurl=yes|archiveurl=https://web.archive.org/web/20110322001816/http://asia.gamespot.com/news/6298857.html?om_act=convert&om_clk=newstop&tag=newstop%3Bstory%3B17|archivedate=March 22, 2011|df=mdy-all}}</ref> Sony later manufactured several smaller, lighter revisions of the console known as ''Slimline'' models in 2004 and well on, and in 2006, announced and launched its successor, the [[PlayStation 3]].


Even with the release of its successor, the PlayStation 2 remained popular well into the [[History of video game consoles (seventh generation)|seventh generation]] and continued to be produced until January 4, 2013, when Sony finally announced that the PlayStation 2 had been discontinued after 13 years of production – one of the longest runs for a video game console. Despite the announcement, new games for the console continued to be produced until the end of 2013, including ''[[Final Fantasy XI|Final Fantasy XI: Seekers of Adoulin]]'' for Japan, ''[[Pro Evolution Soccer 2014]]'' for North America and Europe, and ''[[FIFA 14]]'' for Brazil.
Even with the release of its successor, the PlayStation 2 remained popular well into the [[History of video game consoles (seventh generation)|seventh generation]] and continued to be produced until January 4, 2013, when Sony finally announced that the PlayStation 2 had been discontinued after 13 years of production – one of the longest runs for a video game console. Despite the announcement, new games for the console continued to be produced until the end of 2013, including ''[[Final Fantasy XI|Final Fantasy XI: Seekers of Adoulin]]'' for Japan, ''[[Pro Evolution Soccer 2014]]'' for North America and Europe, and ''[[FIFA 14]]'' for Brazil.


==History==
==History==
Though [[Sony]] has kept details of the PlayStation 2's development secret, work on the console began around the time that the original PlayStation was released (in late 1994).<ref>{{cite magazine|last=|first= |title=Letters|magazine=[[Next Generation (magazine)|Next Generation]]|issue=22 |publisher=[[Imagine Media]] |date=October 1996|page=203}}</ref> Sony announced the PlayStation 2 (PS2) on March 1, 1999. The [[video game console]] was positioned as a competitor to [[Sega]]'s [[Dreamcast]], the first [[History of video game consoles (sixth generation)|sixth-generation console]] to be released, although ultimately the main rivals of the PS2 were [[Nintendo]]'s [[GameCube]] and [[Microsoft]]'s [[Xbox (console)|Xbox]].<ref>{{cite web|last=Whitehead|first=Dan|url=http://www.eurogamer.net/articles/dreamcast-a-forensic-retrospective-article|title=Dreamcast: A Forensic Retrospective Article • Page • Articles • Retro •|publisher=Eurogamer.net|date=February 1, 2009|accessdate=October 21, 2012}}</ref><ref>{{cite web|title=PlayStation 2 Timeline|publisher=[[GameSpy]]|url=http://archive.gamespy.com/articles/february04/ps2timeline/index2.shtml|archive-url=https://web.archive.org/web/20040604030423/http://archive.gamespy.com:80/articles/february04/ps2timeline/index2.shtml|dead-url=yes|archive-date=June 4, 2004|accessdate=August 19, 2008|page=3}}</ref> The Dreamcast itself launched very successfully in North America later that year, selling over 500,000 units within two weeks.<ref>{{cite web|url=http://blogcritics.org/a-look-back-at-the-sega/|title=A Look Back at the Sega Dreamcast|publisher=|accessdate=December 30, 2016}}</ref>
Though [[Sony]] has kept details of the PlayStation 2's development secret, work on the console began around the time that the original PlayStation was released (in late 1994).<ref>{{cite magazine|last=|first= |title=Letters|magazine=[[Next Generation (magazine)|Next Generation]]|issue=22 |publisher=[[Imagine Media]] |date=October 1996|page=203}}</ref> Sony announced the PlayStation 2 (PS2) on March 1, 1999. The [[video game console]] was positioned as a competitor to [[Sega]]'s [[Dreamcast]], the first [[History of video game consoles (sixth generation)|sixth-generation console]] to be released, although ultimately the main rivals of the PS2 were [[Nintendo]]'s [[GameCube]] and [[Microsoft]]'s [[Xbox (console)|Xbox]].<ref>{{cite web|last=Whitehead|first=Dan|url=http://www.eurogamer.net/articles/dreamcast-a-forensic-retrospective-article|title=Dreamcast: A Forensic Retrospective Article • Page • Articles • Retro •|publisher=Eurogamer.net|date=February 1, 2009|accessdate=October 21, 2012}}</ref><ref>{{cite web|title=PlayStation 2 Timeline|publisher=[[GameSpy]]|url=http://archive.gamespy.com/articles/february04/ps2timeline/index2.shtml|archive-url=https://web.archive.org/web/20040604030423/http://archive.gamespy.com/articles/february04/ps2timeline/index2.shtml|dead-url=yes|archive-date=June 4, 2004|accessdate=August 19, 2008|page=3|df=mdy-all}}</ref> The Dreamcast itself launched very successfully in North America later that year, selling over 500,000 units within two weeks.<ref>{{cite web|url=http://blogcritics.org/a-look-back-at-the-sega/|title=A Look Back at the Sega Dreamcast|publisher=|accessdate=December 30, 2016}}</ref>


Soon after the Dreamcast's North American launch, Sony unveiled the PlayStation 2 at the [[Tokyo Game Show]] on September 20, 1999.<ref>{{cite web|url=http://www.ign.com/articles/1999/09/21/tgs-1999-sonys-grand-showing|title=TGS 1999: Sony's Grand Showing|first=Douglass C.|last=Perry|date=September 20, 1999|publisher=|accessdate=December 30, 2016}}</ref> Sony showed fully playable demos of upcoming PlayStation 2 games including ''[[Gran Turismo 2000]]'' (later released as ''[[Gran Turismo 3: A-Spec]]'') and ''[[Tekken Tag Tournament]]''{{snd}} which showed the console's graphic abilities and power.<ref>{{cite web|url=http://www2.milwaukee.k12.wi.us/roosevelt/hmpg/webfair/moderngaming/PS2history.html|title=Roosevelt Creative Arts Middle School –|publisher=|accessdate=December 30, 2016}}</ref>
Soon after the Dreamcast's North American launch, Sony unveiled the PlayStation 2 at the [[Tokyo Game Show]] on September 20, 1999.<ref>{{cite web|url=http://www.ign.com/articles/1999/09/21/tgs-1999-sonys-grand-showing|title=TGS 1999: Sony's Grand Showing|first=Douglass C.|last=Perry|date=September 20, 1999|publisher=|accessdate=December 30, 2016}}</ref> Sony showed fully playable demos of upcoming PlayStation 2 games including ''[[Gran Turismo 2000]]'' (later released as ''[[Gran Turismo 3: A-Spec]]'') and ''[[Tekken Tag Tournament]]''{{snd}} which showed the console's graphic abilities and power.<ref>{{cite web|url=http://www2.milwaukee.k12.wi.us/roosevelt/hmpg/webfair/moderngaming/PS2history.html|title=Roosevelt Creative Arts Middle School –|publisher=|accessdate=December 30, 2016}}</ref>


The PS2 was launched in March 2000 in Japan, October in North America and November in Europe. Sales of the console, games and accessories pulled in $250 million on the first day, beating the $97 million made on the first day of the Dreamcast.<ref name="IGN 250">[http://www.ign.com/articles/2000/11/07/sony-pulls-in-over-250-million-at-launch Sony Pulls in Over $250 Million at Launch]. IGN. Retrieved on August 23, 2013.</ref> Directly after its release, it was difficult to find PS2 units on retailer shelves<ref>{{cite web|title=PlayStation 2 Timeline|publisher=[[GameSpy]]|url=http://archive.gamespy.com/articles/february04/PS2timeline/index2.shtml|archive-url=https://web.archive.org/web/20040604030423/http://archive.gamespy.com:80/articles/february04/ps2timeline/index2.shtml|dead-url=yes|archive-date=June 4, 2004|accessdate=December 19, 2007|pages=2–3}}</ref> due to manufacturing delays.<ref>{{cite news|url=http://www.gamesindustry.biz/content_page.php?aid=21241|title=PS2 history|publisher=gamesindustry.biz|date=November 22, 2006|accessdate=September 25, 2007|archiveurl=https://web.archive.org/web/20071011071905/http://gamesindustry.biz/content_page.php?aid=21241<!-- Bot retrieved archive -->|archivedate=October 11, 2007}}</ref> Another option was purchasing the console online through auction websites such as [[eBay]], where people paid over a thousand dollars for the console.<ref>{{cite web|title=PlayStation 2 Timeline|publisher=[[GameSpy]]|url=http://archive.gamespy.com/articles/february04/PS2timeline/index3.shtml|archive-url=https://web.archive.org/web/20040604031531/http://archive.gamespy.com:80/articles/february04/ps2timeline/index3.shtml|dead-url=yes|archive-date=June 4, 2004|accessdate=December 19, 2007|page=3}}</ref> The PS2 initially sold well partly on the basis of the strength of the PlayStation brand and the console's backward compatibility, selling over 980,000 units in Japan by March 5, 2000, one day after launch.<ref>{{cite web|title=PlayStation 2 Timeline|publisher=[[GameSpy]]|url=http://archive.gamespy.com/articles/february04/PS2timeline/index2.shtml|archive-url=https://web.archive.org/web/20040604030423/http://archive.gamespy.com:80/articles/february04/ps2timeline/index2.shtml|dead-url=yes|archive-date=June 4, 2004|accessdate=December 19, 2007|page=2}}</ref> This allowed the PS2 to tap the large install base established by the PlayStation{{snd}} another major selling point over the competition. Later, Sony added new development kits for game developers and more PS2 units for consumers. The PS2's built-in functionality also expanded its audience beyond the gamer,<ref name="Guardian end"/> as its debut pricing was the same or less than a standalone DVD player. This made the console a low cost entry into the home theater market.<ref>[http://www.technobuffalo.com/gaming/what-ever-happened-to-the-dreamcast/ What Ever Happened To The Dreamcast?]. TechnoBuffalo. Retrieved on August 23, 2013.</ref>
The PS2 was launched in March 2000 in Japan, October in North America and November in Europe. Sales of the console, games and accessories pulled in $250 million on the first day, beating the $97 million made on the first day of the Dreamcast.<ref name="IGN 250">[http://www.ign.com/articles/2000/11/07/sony-pulls-in-over-250-million-at-launch Sony Pulls in Over $250 Million at Launch]. IGN. Retrieved on August 23, 2013.</ref> Directly after its release, it was difficult to find PS2 units on retailer shelves<ref>{{cite web|title=PlayStation 2 Timeline|publisher=[[GameSpy]]|url=http://archive.gamespy.com/articles/february04/PS2timeline/index2.shtml|archive-url=https://web.archive.org/web/20040604030423/http://archive.gamespy.com/articles/february04/ps2timeline/index2.shtml|dead-url=yes|archive-date=June 4, 2004|accessdate=December 19, 2007|pages=2–3|df=mdy-all}}</ref> due to manufacturing delays.<ref>{{cite news|url=http://www.gamesindustry.biz/content_page.php?aid=21241|title=PS2 history|publisher=gamesindustry.biz|date=November 22, 2006|accessdate=September 25, 2007|archiveurl=https://web.archive.org/web/20071011071905/http://gamesindustry.biz/content_page.php?aid=21241<!-- Bot retrieved archive -->|archivedate=October 11, 2007}}</ref> Another option was purchasing the console online through auction websites such as [[eBay]], where people paid over a thousand dollars for the console.<ref>{{cite web|title=PlayStation 2 Timeline|publisher=[[GameSpy]]|url=http://archive.gamespy.com/articles/february04/PS2timeline/index3.shtml|archive-url=https://web.archive.org/web/20040604031531/http://archive.gamespy.com/articles/february04/ps2timeline/index3.shtml|dead-url=yes|archive-date=June 4, 2004|accessdate=December 19, 2007|page=3|df=mdy-all}}</ref> The PS2 initially sold well partly on the basis of the strength of the PlayStation brand and the console's backward compatibility, selling over 980,000 units in Japan by March 5, 2000, one day after launch.<ref>{{cite web|title=PlayStation 2 Timeline|publisher=[[GameSpy]]|url=http://archive.gamespy.com/articles/february04/PS2timeline/index2.shtml|archive-url=https://web.archive.org/web/20040604030423/http://archive.gamespy.com/articles/february04/ps2timeline/index2.shtml|dead-url=yes|archive-date=June 4, 2004|accessdate=December 19, 2007|page=2|df=mdy-all}}</ref> This allowed the PS2 to tap the large install base established by the PlayStation{{snd}} another major selling point over the competition. Later, Sony added new development kits for game developers and more PS2 units for consumers. The PS2's built-in functionality also expanded its audience beyond the gamer,<ref name="Guardian end"/> as its debut pricing was the same or less than a standalone DVD player. This made the console a low cost entry into the home theater market.<ref>[http://www.technobuffalo.com/gaming/what-ever-happened-to-the-dreamcast/ What Ever Happened To The Dreamcast?]. TechnoBuffalo. Retrieved on August 23, 2013.</ref>


The success of the PS2 at the end of 2000 caused Sega problems both financially and competitively, and Sega announced the discontinuation of the Dreamcast in March 2001, just 18 months after its successful launch. The PS2 remained as the only active sixth generation console for over 6 months, before it would face competition from newer rivals; Nintendo's GameCube and Microsoft's Xbox, which were then released. Many analysts predicted a close three-way matchup among the three consoles; the Xbox having the most powerful hardware, while the GameCube was the least expensive console, and Nintendo changed its policy to encourage third-party developers. While the PlayStation 2 theoretically had the weakest specification of the three, it had a head start due to its installed base plus strong developer commitment, as well as a built-in [[DVD player]] (the Xbox required an adapter, while the GameCube lacked support entirely).<ref>{{cite web|url=http://www.anandtech.com/show/858/14|title=Hardware Behind the Consoles - Part II: Nintendo's GameCube|publisher=AnandTech|date=|accessdate=October 21, 2012}}</ref> While the PlayStation 2's initial games lineup was considered mediocre, this changed during the 2001 [[Christmas and holiday season|holiday season]] with the release of several blockbuster games that maintained the PS2's sales momentum and held off its newer rivals. Sony also countered the Xbox by temporarily securing PlayStation 2 exclusives for highly anticipated games such as the [[Grand Theft Auto|''Grand Theft Auto'' series]] and ''[[Metal Gear Solid 2: Sons of Liberty]]''.<ref>{{cite news|url=http://money.cnn.com/2002/05/14/technology/ps2_pricecuts/|title=Sony slashes PlayStation prices: Preemptive move undercuts competition and could spark video game price war|publisher=CNN|date=May 14, 2002|first=Chris|last=Morris}}</ref>
The success of the PS2 at the end of 2000 caused Sega problems both financially and competitively, and Sega announced the discontinuation of the Dreamcast in March 2001, just 18 months after its successful launch. The PS2 remained as the only active sixth generation console for over 6 months, before it would face competition from newer rivals; Nintendo's GameCube and Microsoft's Xbox, which were then released. Many analysts predicted a close three-way matchup among the three consoles; the Xbox having the most powerful hardware, while the GameCube was the least expensive console, and Nintendo changed its policy to encourage third-party developers. While the PlayStation 2 theoretically had the weakest specification of the three, it had a head start due to its installed base plus strong developer commitment, as well as a built-in [[DVD player]] (the Xbox required an adapter, while the GameCube lacked support entirely).<ref>{{cite web|url=http://www.anandtech.com/show/858/14|title=Hardware Behind the Consoles - Part II: Nintendo's GameCube|publisher=AnandTech|date=|accessdate=October 21, 2012}}</ref> While the PlayStation 2's initial games lineup was considered mediocre, this changed during the 2001 [[Christmas and holiday season|holiday season]] with the release of several blockbuster games that maintained the PS2's sales momentum and held off its newer rivals. Sony also countered the Xbox by temporarily securing PlayStation 2 exclusives for highly anticipated games such as the [[Grand Theft Auto|''Grand Theft Auto'' series]] and ''[[Metal Gear Solid 2: Sons of Liberty]]''.<ref>{{cite news|url=http://money.cnn.com/2002/05/14/technology/ps2_pricecuts/|title=Sony slashes PlayStation prices: Preemptive move undercuts competition and could spark video game price war|publisher=CNN|date=May 14, 2002|first=Chris|last=Morris}}</ref>
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The standard PlayStation 2 memory card has an 8&nbsp;[[Megabyte|MB]] capacity. There are a variety of non-Sony manufactured memory cards available for the PlayStation&nbsp;2, allowing for a memory capacity larger than the standard 8&nbsp;MB.
The standard PlayStation 2 memory card has an 8&nbsp;[[Megabyte|MB]] capacity. There are a variety of non-Sony manufactured memory cards available for the PlayStation&nbsp;2, allowing for a memory capacity larger than the standard 8&nbsp;MB.


The console also features [[Universal Serial Bus|USB]] and [[IEEE 1394 interface|IEEE 1394]] (Firewire) expansion ports. A hard disk drive can be installed in an [[PlayStation 2 Expansion Bay|expansion bay]] on the back of the console, and is required to play certain games, notably the popular ''[[Final Fantasy XI]]''.<ref>{{cite web|url=http://uk.gamespot.com/ps2/rpg/finalfantasy11/review.html|title=Final Fantasy XI Review for PlayStation 2 – GameSpot|publisher=Uk.gamespot.com|date=March 23, 2004|accessdate=November 11, 2010}}</ref> This is only available on certain models.
The console also features [[Universal Serial Bus|USB]] and [[IEEE 1394 interface|IEEE 1394]] (Firewire) expansion ports. A hard disk drive can be installed in an [[PlayStation 2 Expansion Bay|expansion bay]] on the back of the console, and is required to play certain games, notably the popular ''[[Final Fantasy XI]]''.<ref>{{cite web|url=http://uk.gamespot.com/ps2/rpg/finalfantasy11/review.html|title=Final Fantasy XI Review for PlayStation 2 – GameSpot|publisher=Uk.gamespot.com|date=March 23, 2004|accessdate=November 11, 2010|deadurl=yes|archiveurl=https://web.archive.org/web/20110721205038/http://uk.gamespot.com/ps2/rpg/finalfantasy11/review.html|archivedate=July 21, 2011|df=mdy-all}}</ref> This is only available on certain models.


The hardware uses the [[Emotion Engine]] CPU, a custom-designed processor based on the [[MIPS architecture]] with a floating point performance of 6.2 [[GFLOPS]], and the custom-designed Graphics Synthesizer GPU, with a [[fillrate]] of 2.4 gigapixels/second, capable of rendering up to 75 million polygons per second.<ref name="Gamecube vs PS2">{{cite web|last=Casamassina|first=Matt|url=http://www.ign.com/articles/2000/11/04/gamecube-versus-playstation-2|title=Gamecube Versus PlayStation 2|publisher=IGN|date=November 3, 2000|accessdate=November 14, 2014}}</ref> When accounting for features such as [[Computer graphics lighting|lighting]], [[texture mapping]], [[artificial intelligence]], and [[game physics]], it has a real-world performance of 3 million to 16 million polygons per second.<ref name="Gamecube vs PS2"/><ref>[https://web.archive.org/web/20031210074645/http://www.technology.scee.net/sceesite/files/presentations/PSP/HowFarHaveWeGot.pdf#page=32 Reaching for the limits of PS2 performance (page 32)], [[Sony Computer Entertainment Europe|SCEE]], 2003</ref>
The hardware uses the [[Emotion Engine]] CPU, a custom-designed processor based on the [[MIPS architecture]] with a floating point performance of 6.2 [[GFLOPS]], and the custom-designed Graphics Synthesizer GPU, with a [[fillrate]] of 2.4 gigapixels/second, capable of rendering up to 75 million polygons per second.<ref name="Gamecube vs PS2">{{cite web|last=Casamassina|first=Matt|url=http://www.ign.com/articles/2000/11/04/gamecube-versus-playstation-2|title=Gamecube Versus PlayStation 2|publisher=IGN|date=November 3, 2000|accessdate=November 14, 2014}}</ref> When accounting for features such as [[Computer graphics lighting|lighting]], [[texture mapping]], [[artificial intelligence]], and [[game physics]], it has a real-world performance of 3 million to 16 million polygons per second.<ref name="Gamecube vs PS2"/><ref>[https://web.archive.org/web/20031210074645/http://www.technology.scee.net/sceesite/files/presentations/PSP/HowFarHaveWeGot.pdf#page=32 Reaching for the limits of PS2 performance (page 32)], [[Sony Computer Entertainment Europe|SCEE]], 2003</ref>
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===Sales===
===Sales===
{{Main article|PlayStation 2 sales}}
{{Main article|PlayStation 2 sales}}
The PlayStation 2 has sold over 150 million units worldwide as of March 31, 2012.<ref name="Q1 2009 PS2">{{cite press release|title=Slimmer, Lighter PlayStation 3, new PlayStation Network services, plenty of content and a great value price|date = August 18, 2009|publisher=[[Sony Computer Entertainment]]|url=http://www.scei.co.jp/corporate/release/pdf/090819b_e.pdf|archive-url=https://web.archive.org/web/20090902132609/http://www.scei.co.jp:80/corporate/release/pdf/090819b_e.pdf|dead-url=yes|archive-date=September 2, 2009|format=PDF|page=2|accessdate=February 24, 2013|quote=}}</ref><ref name="PS2 Q2 and beyond">{{cite web|url=http://www.scei.co.jp/corporate/data/bizdataps2_sale_e.html|archive-url=https://web.archive.org/web/20071012021500/http://www.scei.co.jp/corporate/data/bizdataps2_sale_e.html|dead-url=yes|archive-date=October 12, 2007|title=PlayStation2 Worldwide Hardware Unit Sales|accessdate=February 23, 2013|publisher=[[Sony Computer Entertainment]]}}</ref> In Europe, it has sold 48 million units as of May 6, 2008 according to Sony Computer Entertainment Europe,<ref name=Europesales>{{cite web|url=http://www.eurogamer.net/article.php?article_id=137142|title=PS3 has outsold Xbox 360 in Europe|author=Ellie Gibson|date=May 6, 2008|publisher=[[Eurogamer]]|accessdate=October 25, 2008}}</ref> while in North America, it has sold 50 million units as of December 2008.<ref name="PS2americasales">{{cite web|url=http://blog.us.PlayStation.com/2009/01/15/PS2-sells-over-50-million-units-in-north-america-breaks-console-sales-record/|title=PS2 Sells Over 50 Million Units in North America, Breaks Console Sales Record|accessdate=January 17, 2009|first=John|last=Koller|date=January 15, 2009|publisher=PlayStation.Blog}}</ref> In Japan, the PS2 has sold 21,454,325 units as of October 1, 2008, according to ''[[Famitsu]]''/[[Enterbrain]].<ref name=Japansales>{{cite web|url=http://www.gamedaily.com/articles/news/xbox-360-growth-in-japan-has-topped-all-platforms-from-march-to-september|title=Xbox 360 Growth in Japan Has Topped All Platforms from March to September|first=James|last=Brightman|work=[[GameDaily]]|publisher=[[AOL]]|date=October 20, 2008|accessdate=October 25, 2008|archiveurl=https://web.archive.org/web/20100316004150/http://www.gamedaily.com/articles/news/xbox-360-growth-in-japan-has-topped-all-platforms-from-march-to-september|archivedate=March 16, 2010}}</ref> In 2005, the PlayStation 2 became the fastest game console to reach 100 million units shipped, accomplishing the feat within 5 years and 9 months from its launch.
The PlayStation 2 has sold over 150 million units worldwide as of March 31, 2012.<ref name="Q1 2009 PS2">{{cite press release|title=Slimmer, Lighter PlayStation 3, new PlayStation Network services, plenty of content and a great value price|date=August 18, 2009|publisher=[[Sony Computer Entertainment]]|url=http://www.scei.co.jp/corporate/release/pdf/090819b_e.pdf|archive-url=https://web.archive.org/web/20090902132609/http://www.scei.co.jp/corporate/release/pdf/090819b_e.pdf|dead-url=yes|archive-date=September 2, 2009|format=PDF|page=2|accessdate=February 24, 2013|quote=|df=mdy-all}}</ref><ref name="PS2 Q2 and beyond">{{cite web|url=http://www.scei.co.jp/corporate/data/bizdataps2_sale_e.html|archive-url=https://web.archive.org/web/20071012021500/http://www.scei.co.jp/corporate/data/bizdataps2_sale_e.html|dead-url=yes|archive-date=October 12, 2007|title=PlayStation2 Worldwide Hardware Unit Sales|accessdate=February 23, 2013|publisher=[[Sony Computer Entertainment]]}}</ref> In Europe, it has sold 48 million units as of May 6, 2008 according to Sony Computer Entertainment Europe,<ref name=Europesales>{{cite web|url=http://www.eurogamer.net/article.php?article_id=137142|title=PS3 has outsold Xbox 360 in Europe|author=Ellie Gibson|date=May 6, 2008|publisher=[[Eurogamer]]|accessdate=October 25, 2008}}</ref> while in North America, it has sold 50 million units as of December 2008.<ref name="PS2americasales">{{cite web|url=http://blog.us.PlayStation.com/2009/01/15/PS2-sells-over-50-million-units-in-north-america-breaks-console-sales-record/|title=PS2 Sells Over 50 Million Units in North America, Breaks Console Sales Record|accessdate=January 17, 2009|first=John|last=Koller|date=January 15, 2009|publisher=PlayStation.Blog}}</ref> In Japan, the PS2 has sold 21,454,325 units as of October 1, 2008, according to ''[[Famitsu]]''/[[Enterbrain]].<ref name=Japansales>{{cite web|url=http://www.gamedaily.com/articles/news/xbox-360-growth-in-japan-has-topped-all-platforms-from-march-to-september|title=Xbox 360 Growth in Japan Has Topped All Platforms from March to September|first=James|last=Brightman|work=[[GameDaily]]|publisher=[[AOL]]|date=October 20, 2008|accessdate=October 25, 2008|archiveurl=https://web.archive.org/web/20100316004150/http://www.gamedaily.com/articles/news/xbox-360-growth-in-japan-has-topped-all-platforms-from-march-to-september|archivedate=March 16, 2010}}</ref> In 2005, the PlayStation 2 became the fastest game console to reach 100 million units shipped, accomplishing the feat within 5 years and 9 months from its launch.


==Accessories==
==Accessories==

Revision as of 05:49, 9 January 2018

"PS2" redirects here. For other uses, see PS2 (disambiguation).

PlayStation 2
Left: Original PlayStation 2, with vertical stand
Right: Slimline PlayStation 2, with vertical stand, 8 MB memory card and DualShock 2 controller
Also known asPS2
DeveloperSony Computer Entertainment
ManufacturerSony
Product familyPlayStation
TypeHome video game console
GenerationSixth generation
Release datePlayStation 2
  • JP: March 4, 2000
  • NA: October 26, 2000
  • EU: November 24, 2000
  • AU: November 30, 2000
PlayStation 2 Slimline
  • EU: October 29, 2004
  • JP: November 3, 2004
  • NA: November 25, 2004
  • AU: December 2, 2004
Lifespan2000–2013
Discontinued
  • WW: January 4, 2013[2]
Units soldApproximately 155 million (as of March 31, 2012)[3]
MediaDVD, CD
CPU"Emotion Engine"[4][5] @ 300 MHz[4]
Memory32 MB of RDRAM (system RAM)[6]
4 MB of eDRAM (video RAM)[7][8]
Storage40 GB hard drive (add-on)
Removable storage
  • 8 MB PlayStation 2 memory card
  • 128 KB PlayStation memory card
Display
Video output formats
Graphics150 MHz "Graphics Synthesizer"[4]
SoundDolby Digital 5.1 and DTS 5.1
Controller inputDualShock 2, DualShock, EyeToy
Connectivity100 Mbit Ethernet/modem (requires adapter on SCPH-10000-500xx models), 2 × USB 1.1, 1 × IEEE 1394 interface
Online servicesDynamic Network Authentication System
Best-selling gameGrand Theft Auto: San Andreas: 17.33 million sold (as of February 2009)[9]
Backward
compatibility		PlayStation
PredecessorPlayStation
SuccessorPlayStation 3

The PlayStation 2 (PS2) is a home video game console that was developed by Sony Computer Entertainment. It is the successor to the PlayStation, and is the second installment in the PlayStation lineup of consoles. It was released on March 4, 2000 in Japan, October 26, 2000 in North America, November 24, 2000 in Europe, and November 17, 2000 in Australia. It competed with Sega's Dreamcast, Microsoft's Xbox, and Nintendo's GameCube in the sixth generation of video game consoles.

Announced in 1999, the PlayStation 2 was the first PlayStation console to offer backwards compatibility for its predecessor's DualShock controller, as well as for its games. The PlayStation 2 is the best-selling video game console of all time, selling over 155 million units, with 150 million confirmed by Sony in 2011.[10] More than 3,874 game titles have been released for the PS2 since launch, and more than 1.5 billion copies have been sold.[11] Sony later manufactured several smaller, lighter revisions of the console known as Slimline models in 2004 and well on, and in 2006, announced and launched its successor, the PlayStation 3.

Even with the release of its successor, the PlayStation 2 remained popular well into the seventh generation and continued to be produced until January 4, 2013, when Sony finally announced that the PlayStation 2 had been discontinued after 13 years of production – one of the longest runs for a video game console. Despite the announcement, new games for the console continued to be produced until the end of 2013, including Final Fantasy XI: Seekers of Adoulin for Japan, Pro Evolution Soccer 2014 for North America and Europe, and FIFA 14 for Brazil.

History

Though Sony has kept details of the PlayStation 2's development secret, work on the console began around the time that the original PlayStation was released (in late 1994).[12] Sony announced the PlayStation 2 (PS2) on March 1, 1999. The video game console was positioned as a competitor to Sega's Dreamcast, the first sixth-generation console to be released, although ultimately the main rivals of the PS2 were Nintendo's GameCube and Microsoft's Xbox.[13][14] The Dreamcast itself launched very successfully in North America later that year, selling over 500,000 units within two weeks.[15]

Soon after the Dreamcast's North American launch, Sony unveiled the PlayStation 2 at the Tokyo Game Show on September 20, 1999.[16] Sony showed fully playable demos of upcoming PlayStation 2 games including Gran Turismo 2000 (later released as Gran Turismo 3: A-Spec) and Tekken Tag Tournament – which showed the console's graphic abilities and power.[17]

The PS2 was launched in March 2000 in Japan, October in North America and November in Europe. Sales of the console, games and accessories pulled in $250 million on the first day, beating the $97 million made on the first day of the Dreamcast.[18] Directly after its release, it was difficult to find PS2 units on retailer shelves[19] due to manufacturing delays.[20] Another option was purchasing the console online through auction websites such as eBay, where people paid over a thousand dollars for the console.[21] The PS2 initially sold well partly on the basis of the strength of the PlayStation brand and the console's backward compatibility, selling over 980,000 units in Japan by March 5, 2000, one day after launch.[22] This allowed the PS2 to tap the large install base established by the PlayStation – another major selling point over the competition. Later, Sony added new development kits for game developers and more PS2 units for consumers. The PS2's built-in functionality also expanded its audience beyond the gamer,[2] as its debut pricing was the same or less than a standalone DVD player. This made the console a low cost entry into the home theater market.[23]

The success of the PS2 at the end of 2000 caused Sega problems both financially and competitively, and Sega announced the discontinuation of the Dreamcast in March 2001, just 18 months after its successful launch. The PS2 remained as the only active sixth generation console for over 6 months, before it would face competition from newer rivals; Nintendo's GameCube and Microsoft's Xbox, which were then released. Many analysts predicted a close three-way matchup among the three consoles; the Xbox having the most powerful hardware, while the GameCube was the least expensive console, and Nintendo changed its policy to encourage third-party developers. While the PlayStation 2 theoretically had the weakest specification of the three, it had a head start due to its installed base plus strong developer commitment, as well as a built-in DVD player (the Xbox required an adapter, while the GameCube lacked support entirely).[24] While the PlayStation 2's initial games lineup was considered mediocre, this changed during the 2001 holiday season with the release of several blockbuster games that maintained the PS2's sales momentum and held off its newer rivals. Sony also countered the Xbox by temporarily securing PlayStation 2 exclusives for highly anticipated games such as the Grand Theft Auto series and Metal Gear Solid 2: Sons of Liberty.[25]

Sony cut the price of the console in May 2002 from US$299 to $199 in North America,[26] making it the same price as the GameCube and $100 less than the Xbox. It also planned to cut the price in Japan around that time.[27] It cut the price twice in Japan in 2003.[28] In 2006, Sony cut the cost of the console in anticipation of the release of the PlayStation 3.[28]

Sony, unlike Sega with its Dreamcast, originally placed little emphasis on online gaming during its first few years, although that changed upon the launch of the online-capable Xbox. Coinciding with the release of Xbox Live, Sony released the PlayStation Network Adapter in late 2002, with several online first–party titles released alongside it, such as SOCOM: U.S. Navy SEALs to demonstrate its active support for Internet play.[citation needed] Sony also advertised heavily, and its online model had the support of Electronic Arts (EA); EA did not offer online Xbox titles until 2004. Although Sony and Nintendo both started out late, and although both followed a decentralized model of online gaming where the responsibility is up to the developer to provide the servers, Sony's moves made online gaming a major selling point of the PS2.

In September 2004, in time for the launch of Grand Theft Auto: San Andreas, Sony revealed a newer, slimmer PS2. In preparation for the launch of the new models (SCPH-700xx-9000x), Sony stopped making the older models (SCPH-3000x-500xx) to let the distribution channel empty its stock of the units.[citation needed] After an apparent manufacturing issue – Sony reportedly underestimated demand – caused some initial slowdown in producing the new unit caused in part by shortages between the time the old units were cleared out and the new units were ready. The issue was compounded in Britain when a Russian oil tanker became stuck in the Suez Canal, blocking a ship from China carrying PS2s bound for the UK. During one week in November, British sales totalled 6,000 units – compared to 70,000 units a few weeks prior.[29] There were shortages in more than 1,700 stores in North America on the day before Christmas.[30]

Hardware

Main article: PlayStation 2 technical specifications

PlayStation 2 software is distributed on CD-ROM and DVD-ROM. In addition the console can play audio CDs and DVD movies, and is backwards compatible with PlayStation games. The PS2 also supports PlayStation memory cards and controllers, although original PlayStation memory cards only work with original PlayStation games and the controllers may not support all functions (such as analog buttons) for PS2 games.

The standard PlayStation 2 memory card has an 8 MB capacity. There are a variety of non-Sony manufactured memory cards available for the PlayStation 2, allowing for a memory capacity larger than the standard 8 MB.

The console also features USB and IEEE 1394 (Firewire) expansion ports. A hard disk drive can be installed in an expansion bay on the back of the console, and is required to play certain games, notably the popular Final Fantasy XI.[31] This is only available on certain models.

The hardware uses the Emotion Engine CPU, a custom-designed processor based on the MIPS architecture with a floating point performance of 6.2 GFLOPS, and the custom-designed Graphics Synthesizer GPU, with a fillrate of 2.4 gigapixels/second, capable of rendering up to 75 million polygons per second.[32] When accounting for features such as lighting, texture mapping, artificial intelligence, and game physics, it has a real-world performance of 3 million to 16 million polygons per second.[32][33]

Audio/video

The PlayStation 2 may natively output video resolutions on SDTV and HDTV from 480i to 480p while other games, such as Gran Turismo 4 and Tourist Trophy are known to support up-scaled 1080i resolution[34] using any of the following standards: composite video (480i), S-Video (480i), RGB (480i/p), VGA (for progressive scan games and PS2 Linux only), YPBPR component video (which display most original PlayStation games in their native 240p mode which most HDTV sets do not support), and D-Terminal. Cables are available for all of these signal types; these cables also output analog stereo audio. Additionally, an RF modulator is available for the system to connect to older TVs.

Digital (S/PDIF) audio may also be output by the console via its TOSLINK connector which outputs 5.1 channel sound.

Retail configurations

Main article: PlayStation 2 retail configurations
The PS2's controller, the DualShock 2, had the same form factor as the PlayStation DualShock.

The PS2 has undergone many revisions, some only of internal construction and others involving substantial external changes.

The PS2 is primarily differentiated between models featuring the original "fat" case design and "slimline" models, which were introduced at the end of 2004. In 2010, the Sony Bravia KDL-22PX300 was made available to consumers. It was a 22" HD-Ready television which incorporated a built-in PlayStation 2.

The PS2 standard color is matte black. Several variations in color were produced in different quantities and regions, including ceramic white, light yellow, metallic blue (aqua), metallic silver, navy (star blue), opaque blue (astral blue), opaque black (midnight black), pearl white, sakura purple, satin gold, satin silver, snow white, super red, transparent blue (ocean blue), and also Limited Edition color Pink, which was distributed in some regions such as Oceania, and parts of Asia.[35][36][37]

In September 2004, Sony unveiled its third major hardware revision. Available in late October 2004, it was smaller, thinner, and quieter than the original versions and included a built-in Ethernet port (in some markets it also had an integrated modem). Due to its thinner profile, it did not contain the 3.5" expansion bay and therefore did not support the internal hard disk drive. It also lacked an internal power supply until a later revision (excluding the Japan version), similar to the GameCube, and had a modified Multitap expansion. The removal of the expansion bay was criticized as a limitation due to the existence of titles such as Final Fantasy XI, which required the use of the HDD.

Sony also manufactured a consumer device called the PSX that can be used as a digital video recorder and DVD burner in addition to playing PS2 games. The device was released in Japan on December 13, 2003, and was the first Sony product to include the XrossMediaBar interface. It did not sell well in the Japanese market and was not released anywhere else.

Disc Read Error (DRE) lawsuit

A class action lawsuit was filed against Sony Computer Entertainment America Inc. on July 16, 2002, in the Superior Court of California, County of San Mateo. The lawsuit addresses consumer reports of inappropriate "no disc error" (disc read error) messages and other problems associated with playing DVDs and CDs on the PlayStation 2.

Sony settled its "disc read error" lawsuit by compensating the affected customers with USD $25, a free game from a specified list, and the reduced cost repair or replacement (at SCEA's discretion) of the damaged system. This settlement was subject to the courts' approval, and hearings began in the US and Canada on April 28, 2006, and May 11, 2006, respectively.[38]

Games

See also: List of PlayStation 2 games, List of best-selling PlayStation 2 video games, List of PlayStation games incompatible with PlayStation 2, and List of PlayStation 2 games with HD support

PlayStation 2 software is distributed on CD-ROM and DVD-ROM; the two formats are differentiated by the color of their discs' bottoms, with CD-ROMs being blue and DVD-ROMs being silver. The PlayStation 2 offered some particularly high-profile exclusive games. Most main entries in the Grand Theft Auto, Final Fantasy, and Metal Gear Solid series were released exclusively for the console. Several series got their start on the PlayStation 2, including God of War, Ratchet & Clank, Jak and Daxter, Devil May Cry, and Kingdom Hearts. Grand Theft Auto: San Andreas was the best-selling game on the console.

Game releases peaked in 2004, but declined with the release of the PlayStation 3 in 2006. The last new game for the console in Asia is Final Fantasy XI: Seekers of Adoulin, in North America and Europe is Pro Evolution Soccer 2014, and in South America is FIFA 14. As of 30 June 2007, a total of 10,035 software titles have been released worldwide (counting games released in multiple regions as separate titles).[39]

Online functionality

Main article: PlayStation 2 online functionality
See also: List of PlayStation 2 online games

PlayStation 2 users had the option to play select games over the Internet, using a broadband Internet connection and a PlayStation 2 Network Adaptor. Instead of having a unified, subscription-based online service like Xbox Live as competitor Microsoft later chose for its Xbox console, online multiplayer functionality on the PlayStation 2 was the responsibility of the game publisher and ran on third-party servers. Most recent[when?] PlayStation 2 online games have been developed to exclusively support broadband Internet access. Xbox Live similarly requires a broadband Internet connection.

Reception

Sales

Main article: PlayStation 2 sales

The PlayStation 2 has sold over 150 million units worldwide as of March 31, 2012.[40][41] In Europe, it has sold 48 million units as of May 6, 2008 according to Sony Computer Entertainment Europe,[42] while in North America, it has sold 50 million units as of December 2008.[43] In Japan, the PS2 has sold 21,454,325 units as of October 1, 2008, according to Famitsu/Enterbrain.[44] In 2005, the PlayStation 2 became the fastest game console to reach 100 million units shipped, accomplishing the feat within 5 years and 9 months from its launch.

Accessories

Main article: PlayStation 2 accessories
The EyeToy – a motion detecting camera

The PlayStation 2's DualShock 2 controller is largely identical to the PlayStation's DualShock, with the same basic functionality. However, it includes analog pressure sensitivity on the face, shoulder and D-pad buttons, replacing the digital buttons of the original.[45] (These buttons would later become digital again with the release of the DualShock 4.[46]) Like its predecessor, the DualShock 2 controller has force feedback, or "vibration" functionality. It is lighter and includes two more levels of vibration.

The PlayStation 2 DVD remote control

General

The PlayStation 2 memory card

Optional hardware includes DualShock or DualShock 2 controllers, a PS2 DVD remote control, an internal or external hard disk drive (HDD), a network adapter, horizontal and vertical stands, PlayStation or PS2 memory cards, the multitap for PlayStation or PS2, a USB motion camera (EyeToy), a USB keyboard and mouse, and a headset.

The original PS2 multitap (SCPH-10090) cannot be plugged into the newer slim models, as the multitap connects to the memory card slot as well as the controller slot and the memory card slot on the slimline is shallower. New slim-design multitaps (SCPH-70120) were manufactured for these models, however third-party adapters also exist to permit original multitaps to be used.

Early versions of the PS2 could be networked via an i.LINK port, though this had little game support and was dropped. Some third party manufacturers have created devices that allow disabled people to access the PS2 through ordinary switches etc.

Some third-party companies, such as JoyTech, have produced LCD monitor and speaker attachments for the PS2, which attach to the back of the console. These allow users to play games without access to a television as long as there is access to mains electricity or a similar power source. These screens can fold down onto the PS2 in a similar fashion to laptop screens.

Music

SingStar microphones

There are many accessories for musical games, such as dance pads for Dance Dance Revolution, In the Groove, and Pump It Up titles and High School Musical 3: Senior Year Dance. Konami microphones for use with the Karaoke Revolution games, dual microphones (sold with and used exclusively for SingStar games), various "guitar" controllers (for the Guitar Freaks series and Guitar Hero series), the drum set controller (sold in a box set (or by itself) with a "guitar" controller and a USB microphone (for use with Rock Band and Guitar Hero series, World Tour and newer), and a taiko drum controller for Taiko: Drum Master.

Controllers

Specialized controllers include light guns (GunCon), fishing rod and reel controllers, a Dragon Quest VIII "slime" controller, a Final Fantasy X-2 "Tiny Bee" dual pistol controller, an Onimusha 3 katana controller, and a Resident Evil 4 chainsaw controller.

Mouse and Keyboard

Unlike the PlayStation, which requires the use of an official Sony PlayStation Mouse to play mouse-compatible games, the few PS2 games with mouse support work with a standard USB mouse as well as a USB trackball.[47] In addition, some of these games also support the usage of a USB keyboard for text input, game control (in lieu of a DualShock or DualShock 2 gamepad, in tandem with a USB mouse), or both.

Homebrew development

Main article: PlayStation 2 homebrew

Using homebrew programs, it is possible to play various audio and video file formats on a PS2. Homebrew programs can also be used to play patched backups of original PS2 DVD games on unmodified consoles, and to install retail discs to an installed hard drive on older models. Homebrew emulators of older computer and gaming systems have been developed for the PS2.[48]

Sony released a Linux-based operating system for the PS2 in a package that also includes a keyboard, mouse, Ethernet adapter and HDD. In Europe and Australia, the PS2 comes with a free Yabasic interpreter on the bundled demo disc. This allows users to create simple programs for the PS2. A port of the NetBSD project and BlackRhino GNU/Linux, an alternative Debian-based distribution, are also available for the PS2.

See also

References

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  21. ^ "PlayStation 2 Timeline". GameSpy. p. 3. Archived from the original on June 4, 2004. Retrieved December 19, 2007. {{cite web}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (help)
  22. ^ "PlayStation 2 Timeline". GameSpy. p. 2. Archived from the original on June 4, 2004. Retrieved December 19, 2007. {{cite web}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (help)
  23. ^ What Ever Happened To The Dreamcast?. TechnoBuffalo. Retrieved on August 23, 2013.
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  32. ^ a b Casamassina, Matt (November 3, 2000). "Gamecube Versus PlayStation 2". IGN. Retrieved November 14, 2014.
  33. ^ Reaching for the limits of PS2 performance (page 32), SCEE, 2003
  34. ^ "Gran Turismo 4 - #9 Top PS2 Games". IGN. Retrieved March 1, 2016.
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  37. ^ A list of all console colors and console Limited Editions. Consolecolors.com
  38. ^ Sony Settles PS2 "Disc Read Error" Class Action Gamasutra, November 10, 2005
  39. ^ "Cumulative Software Titles". Sony Computer Entertainment Inc. Archived from the original on September 21, 2008. Retrieved September 19, 2014. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  40. ^ "Slimmer, Lighter PlayStation 3, new PlayStation Network services, plenty of content and a great value price" (PDF) (Press release). Sony Computer Entertainment. August 18, 2009. p. 2. Archived from the original (PDF) on September 2, 2009. Retrieved February 24, 2013. {{cite press release}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (help)
  41. ^ "PlayStation2 Worldwide Hardware Unit Sales". Sony Computer Entertainment. Archived from the original on October 12, 2007. Retrieved February 23, 2013. {{cite web}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (help)
  42. ^ Ellie Gibson (May 6, 2008). "PS3 has outsold Xbox 360 in Europe". Eurogamer. Retrieved October 25, 2008.
  43. ^ Koller, John (January 15, 2009). "PS2 Sells Over 50 Million Units in North America, Breaks Console Sales Record". PlayStation.Blog. Retrieved January 17, 2009.
  44. ^ Brightman, James (October 20, 2008). "Xbox 360 Growth in Japan Has Topped All Platforms from March to September". GameDaily. AOL. Archived from the original on March 16, 2010. Retrieved October 25, 2008.
  45. ^ "Dual Shock 2 Review". IGN. September 27, 2001. Retrieved February 7, 2011. The biggest difference between the Dual Shock 2 and the original… all of the buttons and even the digital pad offer analog support. This means that the d-pad, the four face buttons and the four shift buttons are all pressure-sensitive and have 255 degrees of sensitivity. It is also worth noting that the Dual Shock 2 is a bit lighter than the original Dual Shock because it appears to have less in the way of gears for the vibration function of the controller.
  46. ^ Cavalli, Earnest (October 24, 2013). "DualShock 4 drops analog buttons, citing lack of interest". Engadget. Retrieved August 16, 2015.
  47. ^ "PlayStation Knowledge Center | Support - PlayStation.com". Us.playstation.com. January 10, 2011. Retrieved March 27, 2011.
  48. ^ PS2 Emulators – http://www.sksapps.com/index.php?page=emus.html
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