| title | developer | year | platform | | pop. |
|---|
| ObsCure | Hydravision | 2004 | Windows | action/reflex Fantasy | image | | label | |
| ObsCure | Hydravision | 2004 | Xbox | action/reflex Fantasy | image | | label | |
| ObsCure | Hydravision | 2004 | PS2 | action/reflex Fantasy | image | subject | label | |
| ObsCure II | Hydravision | 2007 | Wii | action/reflex adventure Horror | image | | label | |
| ObsCure II | Hydravision | 2007 | PS2 | action/reflex adventure Horror | image | | label | |
| ObsCure II | Hydravision Entertainment | 2007 | Windows | action/reflex adventure Horror | image | | label | |
| Ocarina of Power | author | 2002 | Linux | adventure | image | | label | |
| Oddworld: Munch's Oddysee | Oddworld Inhabitants | 2001 | Xbox | Humorous | image | subject | label | |
| Oddworld: Munch's Oddysee | Oddworld Inhabitants | 2010 | Windows | action/reflex adventure Fantasy | image | | label | |
| Oddworld: New 'n' Tasty! | Just Add Water | 2015 | Linux | platformer | | | label | |
| Oddworld: New 'n' Tasty! | Just Add Water | 2015 | Windows | platformer | image | | label | |
| Oddworld: New 'n' Tasty! | Just Add Water | 2015 | Mac OS X | platformer | | | label | |
| Oddworld: Stranger's Wrath | Oddworld Inhabitants | 2010 | Windows | action/reflex adventure Fantasy | image | | label | |
| Oddworld: Stranger's Wrath | Oddworld Inhabitants | 2005 | Xbox | action/reflex adventure Fantasy | image | subject | label | |
| Ōkami | Clover Studio;Ready at Dawn | 2008 | Wii | action/reflex adventure Fantasy | image | | label | |
| Ōkami | Clover Studio | 2006 | PS2 | action/reflex adventure Fantasy | image | subject | label | |
| Ōkami HD | HexaDrive | 2012 | PS3 | action/reflex Fantasy | | | label | |
| Ōkami HD | Capcom | 2017 | Windows | action/reflex Fantasy | | | label | |
| Ōkami HD | Capcom | 2018 | Switch | action/reflex adventure Fantasy | image | subject | label | |
| Ōkamiden | Capcom | 2010 | Nintendo DS | action/reflex adventure Fantasy | image | | label | |
| Omensight | Spearhead Games | 2018 | Windows | action/reflex platformer Fantasy | image | | label | |
| Omensight | Spearhead Games | 2018 | PS4 | action/reflex platformer Fantasy | | subject | label | |
| Omikron | Quantic Dream | 2000 | PS | action/reflex beat 'em up shooter adventure Fantasy | | | label | |
| One Late Night | Black Curtain Studio | 2013 | Linux | adventure Horror | | subject | label | |
| Onechanbara: Bikini Samurai Squad | Tamsoft | 2006 | X360 | beat 'em up | image | subject | label | |
| Onechanbara: Bikini Zombie Slayers | Tamsoft | 2008 | Wii | action/reflex | image | | label | |
| OnEscapee | Invictus Team | 1997 | Amiga AGA | adventure Science Fiction | image | | label | |
| ORiGiN | author | 2007 | Linux | action/reflex adventure Fantasy | image | subject | label | |
| Ostrich Island: Escape from Paradise | MeDungeon | 2012 | Linux | action/reflex platformer adventure | | | label | |
| Otherworld | What Games | TBA | Linux | action/reflex strategy adventure | | | label | |
| Outcast | Appeal;Fresh3D | 1999 | Windows | action/reflex adventure Science Fiction | image | subject | label | |
| Outcast Reboot HD | Freash3D | 2015 | Linux | action/reflex adventure Science Fiction | | | label | |
| Overgrowth | Wolfire Games | 2017 | Windows | action/reflex adventure Fantasy | image | | label | |
| Overgrowth | Wolfire Games | 2017 | Mac OS X | action/reflex adventure Fantasy | | | label | |
| Overgrowth | Wolfire Games | 2017 | Linux | action/reflex adventure Fantasy | | | label | |
| Overlord | Triumph Studios | 2007 | Windows | action/reflex adventure Fantasy | image | subject | label | |
| Overlord | Triumph Studios | 2007 | X360 | action/reflex adventure Fantasy | image | | label | |
| Overlord | Triumph Studios | 2007 | Linux | action/reflex adventure Fantasy | | | label | |
| Overlord II | Triumph Studios | 2009 | Windows | action/reflex adventure Fantasy | image | | label | |
| Overlord II | Triumph Studios | 2009 | X360 | action/reflex adventure Fantasy | image | | label | |
| Overlord II | Triumph Studios | 2009 | PS3 | action/reflex adventure Fantasy | image | | label | |
| Overlord II | Triumph Studios | 2009 | Linux | action/reflex adventure Fantasy | | | label | |
| Overlord: Raising Hell | Triumph Studios | 2008 | Windows | action/reflex adventure Fantasy | image | | label | |
| Overlord: Raising Hell | Triumph Studios | 2008 | PS3 | action/reflex adventure Fantasy | image | | label | |
| Overlord: Raising Hell | Triumph Studios | 2008 | X360 | action/reflex adventure Fantasy | image | | label | |
| Overlord: Raising Hell | Triumph Studios;Virtual Programming | 2016 | Linux | action/reflex adventure Fantasy | | | label | |
| Parapraxis Foundations | Third Nerve | 2013 | Linux | platformer adventure | | | label | |
| Path of Shadows | author | 2012 | Linux | role-play Fantasy | image | | label | |
| Path of the Agent | Flissoft | 2014 | Linux | action/reflex adventure Horror | | subject | label | |
| Penumbra: Black Plague | Frictional Games | 2008 | Windows | adventure Horror | image | subject | label | |
| Penumbra: Black Plague | Frictional Games | 2008 | Mac OS X | adventure Horror | image | | label | |
| Penumbra: Black Plague | Frictional Games | 2008 | Linux | adventure Horror | | | label | |
| Penumbra: Necrologue | CounterCurrent Games | 2015 | Linux | adventure Horror | | | label | |
| Penumbra: Overture | Frictional Games | 2007 | Linux | adventure Horror | image | | label | |
| Penumbra: Overture | Frictional Games | 2007 | Windows | adventure Horror | image | subject | label | |
| Penumbra: Overture | Frictional Games | 2008 | Mac OS X | adventure Horror | | | label | |
| Pig Eat Ball | Mommy's Best Games | 2016 | Linux | action/reflex shooter | | | label | |
| Pirates of New Horizons | Exit Strategy Entertainment | 2012 | Mac OS X | action/reflex platformer Science Fiction | | | label | |
| Pirates of New Horizons | Exit Strategy Entertainment | 2012 | Windows | action/reflex platformer Science Fiction | | | label | |
| Pirates: The Legend of Black Kat | Westwood Studios | 2002 | PS2 | action/reflex | image | subject | label | |
| Pirates: The Legend of Black Kat | Westwood | 2002 | Xbox | action/reflex | image | subject | label | |
| Praey for the Gods | No Matter Studios | 2017 | Windows | action/reflex Fantasy | | | label | |
| Primal | SCE Studio Cambridge | 2003 | PS2 | beat 'em up adventure Fantasy | image | subject | label | |
| Prince of Persia | Ubisoft Montreal | 2008 | Windows | action/reflex platformer adventure Fantasy | image | subject | label | |
| Prince of Persia | Ubisoft Montreal | 2008 | X360 | action/reflex platformer adventure Fantasy | image | subject | label | |
| Prince of Persia | Ubisoft Montreal | 2008 | PS3 | action/reflex platformer adventure Fantasy | image | | label | |
| Prince of Persia: The Forgotten Sands | Ubisoft Montreal | 2010 | X360 | action/reflex adventure Fantasy | image | subject | label | |
| Prince of Persia: The Forgotten Sands | Ubisoft Montreal | 2010 | PS3 | action/reflex adventure Fantasy | image | subject | label | |
| Prince of Persia: The Forgotten Sands | Ubisoft Quebec City | 2010 | Wii | action/reflex adventure Fantasy | image | subject | label | |
| Prince of Persia: The Forgotten Sands | Ubisoft Montreal | 2010 | Windows | action/reflex adventure Fantasy | image | subject | label | |
| Prince of Persia: The Sands of Time | Ubi Soft Montreal | 2003 | GameCube | beat 'em up adventure Fantasy | image | subject | label | |
| Prince of Persia: The Sands of Time | Ubi Soft Montreal | 2003 | Xbox | action/reflex beat 'em up platformer Fantasy | image | subject | label | |
| Prince of Persia: The Sands of Time | Ubisoft Montreal | 2003 | PS2 | action/reflex beat 'em up platformer Fantasy | image | subject | label | |
| Prince of Persia: The Sands of Time | Ubisoft Montreal | 2003 | Windows | beat 'em up platformer adventure Fantasy | image | | label | |
| Prince of Persia: The Two Thrones | Ubisoft | 2005 | PS2 | action/reflex beat 'em up platformer Fantasy | image | subject | label | |
| Prince of Persia: The Two Thrones | Ubisoft | 2005 | Xbox | action/reflex beat 'em up platformer Fantasy | image | subject | label | |
| Prince of Persia: The Two Thrones | Ubisoft | 2005 | GameCube | action/reflex beat 'em up platformer Fantasy | image | | label | |
| Prince of Persia: The Two Thrones | Ubisoft Montreal | 2007 | Wii | action/reflex beat 'em up platformer Fantasy | | | label | |
| Prince of Persia: The Two Thrones | Ubisoft Montreal | 2007 | PSP | action/reflex beat 'em up platformer Fantasy | | | label | |
| Prince of Persia: The Two Thrones | Ubisoft Montreal | 2005 | Windows | action/reflex beat 'em up platformer Fantasy | image | subject | label | |
| Prince of Persia: Warrior Within | Ubisoft Montreal | 2004 | PS2 | action/reflex beat 'em up platformer Fantasy | image | subject | label | |
| Prince of Persia: Warrior Within | Ubisoft Montreal | 2004 | Xbox | action/reflex beat 'em up platformer Fantasy | image | subject | label | |
| Prince of Persia: Warrior Within | Ubisoft Montreal | 2004 | GameCube | action/reflex beat 'em up platformer Fantasy | image | subject | label | |
| Prince of Persia: Warrior Within | Ubisoft Montreal | 2004 | Mobile | action/reflex Fantasy | | | label | |
| Prince of Persia: Warrior Within | Ubisoft Montreal | 2004 | Windows | action/reflex beat 'em up platformer Fantasy | image | subject | label | |
| Project Black Sun | Starflower Games | 2011 | Linux | platformer adventure | | | label | |
| Project Black Sun | Starflower Games | 2011 | Windows | platformer adventure | image | | label | |
| Project Night | author | 2015 | Linux | shooter adventure Horror | | | label | |
| Prometheon | Neotron Games | 2013 | Linux | platformer Fantasy | | subject | label | |
| Psi-Ops: The Mindgate Conspiracy | Midway Games | 2004 | Windows | action/reflex shooter adventure Science Fiction | image | | label | |
| Psi-Ops: The Mindgate Conspiracy | Midway Games | 2004 | PS2 | action/reflex shooter adventure Science Fiction | image | subject | label | |
| Psi-Ops: The Mindgate Conspiracy | Midway Games | 2004 | Xbox | action/reflex shooter adventure Science Fiction | | subject | label | |
