| Okami HD |
PS3 |
Action Adventure |
Jan 2, 2013 |
| Omega Five |
X360 |
Action |
Mar 13, 2008 |
| Omerta: City of Gangsters |
PC |
Strategy |
Jun 14, 2012 |
| Omerta: City of Gangsters |
X360 |
Strategy |
Jun 14, 2012 |
| One Must Fall: Battlegrounds |
PC |
Action |
Mar 7, 2005 |
| One Piece: Pirate Warriors 2 |
PS3 |
Action |
Sep 17, 2013 |
| One Piece: Pirate Warriors 2 |
Vita |
Action |
Sep 17, 2013 |
| Ontamarama |
DS |
Music |
Nov 12, 2007 |
| Open Season |
Xbox |
Action |
Oct 1, 2008 |
| Open Season |
X360 |
Action |
Oct 1, 2008 |
| Operation Darkness |
X360 |
Strategy |
Oct 1, 2008 |
| Operation Flashpoint 2: Dragon Rising |
PC |
Shooter |
Jun 17, 2008 |
| Operation Flashpoint 2: Dragon Rising |
PS3 |
Shooter |
Jun 17, 2008 |
| Operation Flashpoint 2: Dragon Rising |
X360 |
Shooter |
Jun 17, 2008 |
| Operation Flashpoint: Cold War Crisis |
PC |
Action |
Jun 20, 2005 |
| Operation Flashpoint: Cold War Crisis |
Xbox |
Action |
Jun 20, 2005 |
| Operation Flashpoint: Elite |
Xbox |
Action |
Oct 21, 2005 |
| Operation Flashpoint: Gold Edition |
PC |
Action |
Nov 19, 2004 |
| Operation Flashpoint: Red River |
X360 |
Shooter |
Jul 6, 2011 |
| Operation Flashpoint: Red River |
PS3 |
Shooter |
Jul 6, 2011 |
| Operation Flashpoint: Red River |
PC |
Shooter |
Jul 6, 2011 |
| Operation Flashpoint: Resistance |
PC |
Action |
Nov 19, 2004 |
| Operation Victory |
PC |
Strategy |
Jul 24, 2005 |
| Operation: Matriarchy |
PC |
Action |
Mar 25, 2005 |
| Opoona |
Wii |
Role Playing |
Feb 10, 2008 |
| Orcs & Elves |
DS |
Role Playing |
Nov 12, 2007 |
| Order Up! |
Wii |
Compilation |
May 11, 2008 |
| Ori and the Blind Forest |
Xbox One |
Fantasy 2D Action Adventure |
Mar 20, 2015 |
| Ori and the Blind Forest |
PC |
Fantasy 2D Action Adventure |
Mar 21, 2015 |
| Ori and the Blind Forest |
X360 |
Fantasy 2D Action Adventure |
Mar 21, 2015 |
| Otherland |
PC |
Massively Multiplayer Role Playing |
Jun 4, 2012 |
| Otogi 2: Immortal Warriors |
Xbox |
Action |
Oct 1, 2008 |
| Otogi: Myth of Demons |
Xbox |
Action |
Oct 1, 2008 |
| Our House |
Wii |
Simulation |
Jan 10, 2008 |
| Our House |
DS |
Simulation |
Jan 10, 2008 |
| Outcry |
PC |
Adventure |
Nov 20, 2008 |
| Outlast |
PC |
First-Person Modern Action Adventure |
Oct 25, 2013 |
| Outlaw Golf |
Xbox |
Sports |
Oct 1, 2008 |
| Outlaw Golf 2 |
Xbox |
Sports |
Oct 1, 2008 |
| Outlaw Tennis |
Xbox |
Sports |
Oct 1, 2008 |
| Outlaw Volleyball |
Xbox |
Sports |
Oct 1, 2008 |
| Outpost Kaloki X |
X360 |
Strategy |
Oct 1, 2008 |
| OutRun 2 |
Xbox |
Racing |
Oct 1, 2008 |
| OutRun 2006: Coast 2 Coast |
PC |
Racing |
Mar 6, 2006 |
| OutRun 2006: Coast 2 Coast |
Xbox |
Racing |
Mar 6, 2006 |
| OutRun 2006: Coast 2 Coast |
PS2 |
Racing |
Mar 6, 2006 |
| OutRun 2006: Coast 2 Coast |
PSP |
Racing |
Mar 6, 2006 |
| Over G Fighters |
X360 |
Simulation |
Jul 6, 2006 |
| Over the Hedge |
PC |
Action |
Jun 23, 2006 |
| Over the Hedge |
Xbox |
Action |
Jun 23, 2006 |
| Over the Hedge |
PS2 |
Action |
Jun 23, 2006 |
| Overlord |
X360 |
Action Adventure |
Oct 4, 2007 |
| Overlord |
PC |
Action Adventure |
Oct 4, 2007 |
| Overlord II |
X360 |
Action |
Nov 24, 2009 |
| Overlord: Raising Hell |
PS3 |
Action Adventure |
May 24, 2008 |
| Pac-Man |
X360 |
Arcade |
Oct 1, 2008 |
| Pac-Man and the Ghostly Adventures |
X360 |
Platformer |
Sep 17, 2013 |
| Pac-Man and the Ghostly Adventures |
PS3 |
Platformer |
Sep 17, 2013 |
| Pac-Man and the Ghostly Adventures |
PC |
Platformer |
Sep 17, 2013 |
| Pac-Man and the Ghostly Adventures |
Wii-U |
Platformer |
Sep 17, 2013 |
