One Piece: Grand Adventure
10
Fighting | 2 players | 2006
3
OpenArena
5
FPS | 12 players | 2005
2
Out Run
2
Racing | 1 player | 1987
OutRun 2006: Coast 2 Coast
Racing | 6 players | 2006
OpenRA
2
Strategy | 12 players | 2007
Okami
3
Action - Adventure | 1 player | 2006
1
On the Ball
1
Action | 2 players | 1992
Obocchama-kun
Board game | 4 players | 1991
Oscar
Platformer | 1 player | 1996
OutRunners
1
Racing | 2 players | 1994
Omega Boost
1
Action - Shooter | 1 player | 1999
Out of this World
Action - Platformer | 1 player | 1991
OutRun
Racing | 2 players | 1991
2
Octodad
Other - Adventure | 1 player | 2011
OutRun 2019 (Beta)
Racing | 1 player | 1993
Olympic Summer Games
Sports | 1 player | 1996
Okami
3
Action - Adventure | 1 player | 2008
Once Upon A Timeline
Adventure | 1 player | 2015
1
Olympic Gold
2
Sports | 4 players | 1992
3
O.D.T.: Escape... Or Die Trying
13
Action - Adventure - RPG | 1 player | 1998
1
Odama
Pinball - Strategy | 1 player | 2006
Outdoor Action Double Pack
Compilation | 4 players | 2010
Oddworld Adventures II
3
Action - Platformer | 1 player | 2000
1
Ooga Booga
3
Party game - Fighting | 4 players | 2001
Open Season
1
Action - Platformer | 1 player | 2006
4
Open Transport Tycoon Deluxe
5
Management | 32 players | 2004
3
Onimusha: Dawn of Dreams
1
Action - Adventure | 2 players | 2006
One Piece: Pirates' Carnival
3
Party game | 4 players | 2006
One Piece: Grand Battle
2
Fighting | 2 players | 2005
Oddworld: Abe's Oddysee
Action - Platformer - Puzzle | 1 player | 1997
OneChanbara Special: Zombie Hunter
Action | 1 player | 2011
1
Other Life: Azure Dreams
RPG | 1 player | 1997
OutRun 3-D (Beta)
Racing | 1 player | 1991
Onna Sansirou - Typhoon Gal
1
Action | 2 players | 1985
Osu! Tatakae! Ouendan
Music | 4 players | 2005
Okaeri! Chibi-Robo! Happy Richie Oosouji
Action - Adventure | 1 player | 2009
OutRun
Racing | 1 player | 1991
1
OSman
6
Beat'em up | 2 players | 1996
Oddworld: Abe's Oddysee
4
Action - Platformer - Reflexion | 2 players | 1997
3
Onimusha: Dawn of Dreams
14
Action - Adventure | 2 players | 2006
3
Oriental Legend
4
Beat'em up | 4 players | 1997
Operation Wolf
Action - Shoot'em up | 1 player | 1989
1
Omega Boost
1
Action - Shooter | 1 player | 1999
8
One Late Night
3
Horror | 1 player | 2013
1
Operation WinBack
1
Action | 2 players | 2001
Ougon no Taiyou: Hirakareshi Fuuin
RPG | 2 players | 2001
Olympic Gold: Barcelona '92
Sports | 4 players | 1992
1
Ogre Battle: The March of the Black Queen
1
Tactical - RPG | 1 player | 1997
Oracle no Houseki: Jewels of the Oracle
Reflexion | 1 player | 1996
Outrun Europa
Racing | 1 player | 1992