Omega Boost
1
Action - Shooter | 1 player | 1999
4
Operation Stealth
3
Adventure | 1 player | 1990
Oddworld: Abe's Oddysee
Action - Platformer - Puzzle | 1 player | 1997
Once Upon A Timeline
Adventure | 1 player | 2015
Ookami
Action - Adventure | 1 player | 2006
OutRun
2
Racing | 1 player | 1990
3
Onimusha: Dawn of Dreams
1
Action - Adventure | 2 players | 2006
Operation Wolf
Action - Shoot'em up | 1 player | 1989
OneChanbara Special: Zombie Hunter
Action | 1 player | 2011
OutRun 2 SP
Racing | 6 players | 2007
2
Octodad
Other - Adventure | 1 player | 2011
Oracle no Houseki: Jewels of the Oracle
Reflexion | 1 player | 1996
1
Other Life: Azure Dreams
RPG | 1 player | 1997
2
Obscure: The Aftermath
3
Survival - Horror | 2 players | 2008
Ougon no Taiyou: Hirakareshi Fuuin
RPG | 2 players | 2001
3
O.D.T.: Escape... Or Die Trying
13
Action - Adventure - RPG | 1 player | 1998
1
Odama
Pinball - Strategy | 1 player | 2006
Operation Logic Bomb
Action | 1 player | 1993
Oddworld: Munch's Oddysee
2
Action - Platformer - Reflexion | 1 player | 2003
Operation Wolf
1
Shooter | 1 player | 1990
Out Run 3-D
Racing | 1 player | 1989
Othello
1
Board game - Reflexion | 2 players | 1990
1
Oddworld Adventures
Action | 1 player | 1998
Ojanko Yakata - Shobatsuki Mahjong sen
Reflexion | 1 player | 1986
Ojanko Yakata 2bankan - Shobatsuki Mahjong sen
Reflexion | 1 player | 1987
Ojyousan
Reflexion | 1 player | 1987
1
Omega Race
Shoot'em up | 2 players | 1981
Operation Thunderbolt
2
Shooter | 2 players | 1988
1
Operation Wolf 3
1
Shooter | 2 players | 1994
Orange Club - Maru-hi Kagai Jugyou
Reflexion | 1 player | 1988
Orbit
Puzzle | 1 player | 1978
One Piece: Round the Land!
2
Action - Platformer - Beat'em up | 1 player | 2004
Operation Air Assault 2
Action | 1 player | 2007
Obliterate
Action - Shooter | 1 player | 2007
One Piece: Pirates' Carnival
2
Party game | 4 players | 2006
Ocean Commander
Shoot'em up | 1 player | 2006
Oriental Blue: Ao no Tengai
1
RPG | 1 player | 2003
Okage: Shadow King
RPG | 1 player | 2001
One Piece Grand Battle! 3
1
Fighting | 2 players | 2003
One Piece Grand Battle! Rush
3
Fighting | 2 players | 2005
Oishinbo: Kyukyoku no Menu 3bon Syoubu
Adventure | 1 player | 1989
Oni II: Innin Densetsu
RPG | 1 player | 1992
Oni III: Kuro no Hakaishin
RPG | 1 player | 1993
Oni IV: Kijin no Ketsuzoku
RPG | 1 player | 1994
Oni V: Innin wo Tsugumono
RPG | 1 player | 1995
Oni IV: Kijin no Ketsuzoku
RPG | 1 player | 1994
Ottifanten: Kommando Störtebeker
1
Action - Platformer | 1 player | 2001
Onegai Monsters
Adventure - RPG | 1 player | 1999
Operation WinBack 2: Project Poseidon
1
Action | 4 players | 2006
Operation Air Assault
Simulation | 1 player | 2005