All known PlayStation 2 games
2,658 games from Wikipedia, Wikidata, MobyGames and players' collections. Most are basic entries that list facts from public sources.
Games
- ObsCure2004
- Ojō-sama Kumikyoku2007
- One Piece: Grand Battle!2005
- Oni2001
- Onimusha 2: Samurai's Destiny2002
- OpenSpace
- Operation Air Assault2004
- Oretachi Geasen Zoku Sono
- Osouji Sentai Clean Keeper2009
- Otome wa Boku ni Koishiteru2005
- Otometeki Koi Kakumei Love Revo!!2006
- Ouka
- Outlaw Golf 22004
- Over the Monochrome Rainbow featuring Shogo Hamada2003
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