Ojamajo Doremi Dokkan: Nijiiro Paradise
1
Party game | 4 players | 2002
Oni
4
Action | 1 player | 2001
3
Obscure II
9
Survival - Horror | 2 players | 2007
3
OpenArena
5
FPS | 12 players | 2005
8
One Late Night
3
Horror | 1 player | 2013
1
Omega Boost
1
Action - Shooter | 1 player | 1999
Otocky
Shoot'em up | 1 player | 1987
4
Obscure
18
Survival - Horror | 2 players | 2005
One Piece: Grand Adventure
10
Fighting | 2 players | 2006
3
Oriental Legend
4
Beat'em up | 4 players | 1997
3
Onimusha: Dawn of Dreams
14
Action - Adventure | 2 players | 2006
Onimusha 2: Samurai's Destiny
15
Action - Adventure | 1 player | 2002
1
Onimusha 3: Demon Siege
12
Action - Adventure | 1 player | 2004
10
Onimusha: Warlords
8
Action - Adventure | 1 player | 2001
4
Oui-Oui : L'Aventure magique
4
Adventure - Edutainment | 1 player | 2000
2
One Piece Grand Battle!
9
Fighting | 2 players | 2003
1
Odin Sphere
7
Action - RPG | 1 player | 2008
Orphen : L'Héritier des sorciers
RPG | 1 player | 2000
9
Okami
39
Action - Adventure | 1 player | 2007
O.D.T.: Escape... Or Die Trying
1
Action - Adventure - RPG | 1 player | 1998
One Piece: Grand Battle
2
Fighting | 2 players | 2005
One Piece: Pirates' Carnival
3
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
Operation Wolf
Shooter | 1 player | 1989
Operation Wolf
1
Shooter | 1 player | 1990
Out Run 3-D
Racing | 1 player | 1989
1
Out Run Europa
2
Racing | 1 player | 1991
Othello
1
Board game - Reflexion | 2 players | 1990
1
Oddworld Adventures
Action | 1 player | 1998
Olympic Summer Games
Sports | 1 player | 1996
OutRun
Racing | 2 players | 1991
1
Out Run Europa
Racing | 1 player | 1992
1
Olympic Gold
2
Sports | 4 players | 1992
Olympic Summer Games
1
Sports | 2 players | 1996
Operation Thunderbolt
1
Action - Shooter | 1 player | 1994
Out to Lunch
Action - Platformer | 2 players | 1993
O'Leary Manager 2000
1
Management - Simulation - Sports | 2 players | 2000
Oddworld Adventures II
3
Action - Platformer | 1 player | 2000
One Piece: Going Baseball - Haejeok Yagu
Sports | 2 players | 2004
Open Season
1
Action - Platformer | 1 player | 2006
2
Off Road Challenge
1
Racing | 2 players | 1997
Off The Wall
1
Sports | 3 players | 1991
Office Yeo In Cheon Ha
1 player | 2001
1
Ojanko Club
Reflexion | 2 players | 1986
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