Orphen : L'Héritier des sorciers
RPG | 1 player | 2000
One Piece: Pirates' Carnival
5
Party game | 4 players | 2006
One Piece Grand Battle! 3
2
Fighting | 2 players | 2003
One Piece Mansion
1
Action - Strategy | 1 player | 2001
Othello
Board game - Reflexion | 2 players | 1988
O'Leary Manager 2000
1
Management - Simulation - Sports | 2 players | 2000
Open Season
1
Action - Platformer | 1 player | 2006
Off The Wall
1
Sports | 3 players | 1991
Office Yeo In Cheon Ha
Party game | 1 player | 2001
Ojanko High School
1
Reflexion | 1 player | 1988
Ojanko Yakata - Shobatsuki Mahjong sen
Reflexion | 1 player | 1986
Ojanko Yakata 2bankan - Shobatsuki Mahjong sen
Reflexion | 1 player | 1987
Ojyousan
Reflexion | 1 player | 1987
Omega Fighter
3
Shoot'em up | 2 players | 1989
Onna Sansirou - Typhoon Gal
1
Action | 2 players | 1985
Operation Thunderbolt
3
Shooter | 2 players | 1988
3
Operation Wolf
9
Shooter | 1 player | 1987
1
Operation Wolf 3
1
Shooter | 2 players | 1994
Orange Club - Maru-hi Kagai Jugyou
Reflexion | 1 player | 1988
Orbit
Puzzle | 1 player | 1978
Ordyne
4
Shoot'em up | 2 players | 1988
1
OSman
8
Beat'em up | 2 players | 1996
Otona no Mahjong
Reflexion | 1 player | 1988
1
Out Runners
2
Racing | 2 players | 1992
1
Out Zone
11
Shoot'em up | 2 players | 1990
Over Drive
3
Racing | 1 player | 1990
Over Rev
1
Racing | 2 players | 1997
One Piece: Grand Adventure
4
Fighting | 2 players | 2006
Olympic Hockey 98
1
Sports | 4 players | 1998
Off Road Challenge
1
Racing | 2 players | 1998
Ozzy & Drix
1
Action - Platformer | 1 player | 2003
Operation Armored Liberty
1
Action | 1 player | 2003
1
Onimusha Tactics
1
Tactical - RPG | 1 player | 2003
Oddworld: Munch's Oddysee
2
Action - Platformer - Reflexion | 1 player | 2003
Oscar
Platformer | 1 player | 1996
Operation Logic Bomb
Action - Shooter | 1 player | 1993
Obitus
Action - RPG | 1 player | 1994
Operation Wolf
1
Shooter | 1 player | 1989
Olympic Summer Games
1
Sports | 2 players | 1996
Operation Thunderbolt
1
Action - Shooter | 1 player | 1994
Out to Lunch
Action - Platformer | 2 players | 1993
One Piece: Going Baseball - Haejeok Yagu
Sports | 2 players | 2004
Otostaz
Reflexion - Puzzle | 2 players | 2002
Otostaz
Reflexion - Puzzle | 2 players | 2002
Otostaz
Reflexion - Puzzle | 2 players | 2002
Ookami Kakushi
1
Visual novel | 1 player | 2009
Onimusha Tactics
2
RPG - Tactical | 1 player | 2003
Out Run Europa
3
Racing | 1 player | 1991
Ordyne
3
Shoot'em up | 2 players | 1989
Ouran Koukou Host Club
Visual novel | 1 player | 2007