1
Omega Boost
1
Action - Shooter | 1 player | 1999
Oni
4
Action | 1 player | 2001
Ojamajo Doremi Dokkan: Nijiiro Paradise
1
Party game | 4 players | 2002
2
Out Run
2
Racing | 1 player | 1987
3
OverBlood
4
Survival - Horror | 1 player | 1997
Onechanbara: Bikini Zombie Slayers
1
Action - Beat'em up | 1 player | 2009
Oneesan to Issho! Janken Paradise
Adult - Strategy | 1 player | 1994
Oceans Below
Interactive movie - Edutainment | 1 player | 1995
Oriental Blue: Ao no Tengai
1
RPG | 1 player | 2003
Othello
Board game - Reflexion | 2 players | 1986
Ogre Battle : The March of the Black Queen
1
RPG - Tactical | 1 player | 1995
Once Upon A Time: Abracadabra
Action - Adventure - Edutainment | 1 player | 1991
Out Run
Action - Racing | 1 player | 1989
4
Open Transport Tycoon Deluxe
5
Management | 32 players | 2004
Oddworld: Abe's Exoddus
4
Action - Platformer - Reflexion | 2 players | 1998
Outpost 69: Lust in Space
Adventure - Adult | 1 player | 1996
OutRun
2
Racing | 1 player | 1990
Outtrigger
2
FPS | 4 players | 2001
Open Sonic
2
Action - Platformer | 1 player | 2010
5
Obscure: The Aftermath
2
Survival - Horror | 2 players | 2009
Operation Secret Storm
Action | 1 player | 1992
Ore wa Shoujo Mangaka
1
Adventure - Visual novel | 1 player | 2012
ONE
Action | 1 player | 1998
2
Operation Wolf
Shooter | 1 player | 1989
Operation Europe: Path to Victory 1939-45
Strategy | 2 players | 1994
Operation Wolf
1
Shooter | 1 player | 1990
Othello
1
Board game - Reflexion | 2 players | 1990
1
Oddworld Adventures
Action | 1 player | 1998
Olympic Summer Games
Sports | 1 player | 1996
Ojanko Yakata 2bankan - Shobatsuki Mahjong sen
Reflexion | 1 player | 1987
1
Omega Race
Shoot'em up | 2 players | 1981
Onna Sansirou - Typhoon Gal
1
Action | 2 players | 1985
1
Operation Wolf 3
1
Shooter | 2 players | 1994
Orange Club - Maru-hi Kagai Jugyou
Reflexion | 1 player | 1988
Orbit
Puzzle | 1 player | 1978
Obliterate
Action - Shooter | 1 player | 2007
One Piece: Pirates' Carnival
2
Party game | 4 players | 2006
One Piece: Dragon Dream!
Action | 1 player | 2005
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
Outlaw Golf 2
2
Sports | 4 players | 2005