9
One Piece Unlimited Cruise 1 : Le Trésor sous les Flots
28
Action - Adventure | 2 players | 2009
9
Okami
44
Action - Adventure | 1 player | 2007
5
Onimusha: Dawn of Dreams
19
Action - Adventure | 2 players | 2006
6
OpenLara
5
Action - Platformer - Adventure | 2 players | 2016
5
One Piece Unlimited Cruise 2 : L'Éveil d'un héros
19
Action - Adventure | 2 players | 2009
5
Onimusha 3: Demon Siege
14
Action - Adventure | 1 player | 2004
1
One Piece: Unlimited World Red
10
Action - Adventure | 2 players | 2014
1
Oddworld : La Fureur de l'Etranger
2
Action - Adventure - Platformer | 1 player | 2005
Overlord: Dark Legend
4
Action - Adventure | 1 player | 2009
1
Only Up 64
7
Adventure - Platformer | 1 player | 2023
Onimusha 2: Samurai's Destiny
18
Action - Adventure | 1 player | 2002
12
Onimusha: Warlords
12
Action - Adventure | 1 player | 2001
Overlord: Raising Hell
4
Action - Adventure | 1 player | 2008
Outpost 69: Lust in Space
Adventure - Adult | 1 player | 1996
3
Onimusha: Dawn of Dreams
2
Action - Adventure | 2 players | 2006
Oscar the Balloonist Flies into the Mountains
Edutainment - Adventure | 1 player | 2001
One Piece: Unlimited Adventure
3
Action - Adventure | 2 players | 2008
Okami
3
Action - Adventure | 1 player | 2008
Okamiden
Action - Adventure | 1 player | 2011
O.D.T. (Prototype)
Action - Adventure | 1 player | 1998
Ore ga Omae o Mamoru
Action - Adventure - Platformer | 1 player | 2009
One Piece: Unlimited Adventure (Undub)
2
Action - Adventure | 2 players | 2008
Opoona
Adventure - RPG | 1 player | 2008
One Piece: Unlimited Adventure
1
Action - Adventure | 2 players | 2007
7
O.D.T.: Escape... Or Die Trying
19
Action - Adventure - RPG | 1 player | 1998
Opera Fatal
Adventure - Edutainment - Music | 1 player | 1996
O.D.T.: Escape... Or Die Trying
1
Action - Adventure - RPG | 1 player | 1998
Oishinbo: Kyukyoku no Menu 3bon Syoubu
Adventure | 1 player | 1989
Onimusha 3
Action - Adventure | 1 player | 2004
Onimusha 3: Demon Siege
3
Action - Adventure | 1 player | 2004
Onimusha 2
1
Action - Adventure | 1 player | 2002
Onegai Monsters
Adventure - RPG | 1 player | 1999
Once Upon A Timeline
Adventure | 1 player | 2015
Onimusha: Warlords
1
Action - Adventure | 1 player | 2001
Out of this World
1
Action - Adventure | 1 player | 1992
Outer World
Action - Adventure | 1 player | 1992
Out of this World
Action - Adventure | 1 player | 1992
Onions.EXE
Action - Adventure - Horror | 1 player | 2014
2
Octodad
Other - Adventure | 1 player | 2011
Oddworld: Stranger's Wrath
Action - Adventure - Platformer | 1 player | 2005
Once Upon A Time: Little Red Riding Hood
Adventure - Edutainment | 1 player | 1991
Ore wa Shoujo Mangaka
1
Adventure - Visual novel | 1 player | 2012
Ore! Tomba
Action - Adventure - Platformer | 1 player | 1998
Ooze: Creepy Nites
Adventure - Text-based | 1 player | 1989
Operation: Eco-Nightmare
Adventure - Edutainment | 1 player | 1997
Oregon Trail for Windows
Adventure - Simulation - Edutainment | 1 player | 1996
Once Upon a Forest
Adventure | 1 player | 1995
Once and Future
Adventure - Text-based | 1 player | 1988
Omnicron Conspiracy
Adventure | 1 player | 1989
Oo-Topos
Adventure - Text-based | 1 player | 1987