4
One Piece Unlimited Cruise 1 : Le Trésor sous les Flots
26
Action - Adventure | 2 players | 2009
9
Okami
42
Action - Adventure | 1 player | 2007
Onimusha 2: Samurai's Destiny
17
Action - Adventure | 1 player | 2002
5
Onimusha 3: Demon Siege
12
Action - Adventure | 1 player | 2004
4
Onimusha: Dawn of Dreams
15
Action - Adventure | 2 players | 2006
Opera Fatal
Adventure - Edutainment - Music | 1 player | 1996
10
Onimusha: Warlords
11
Action - Adventure | 1 player | 2001
5
One Piece Unlimited Cruise 2 : L'Éveil d'un héros
15
Action - Adventure | 2 players | 2009
One Piece: Unlimited Adventure
3
Action - Adventure | 2 players | 2008
1
Only Up 64
7
Adventure - Platformer | 1 player | 2023
6
OpenLara
5
Action - Platformer - Adventure | 2 players | 2016
Opoona
Adventure - RPG | 1 player | 2008
Onimusha 3: Demon Siege (Undub)
Action - Adventure | 1 player | 2004
1
One Piece: Unlimited World Red
10
Action - Adventure | 2 players | 2014
Out of this World
1
Action - Adventure | 1 player | 1992
Out of this World
Action - Adventure | 1 player | 1992
Okami
3
Action - Adventure | 1 player | 2006
3
Onimusha: Dawn of Dreams
1
Action - Adventure | 2 players | 2006
O.D.T.: Escape... Or Die Trying
1
Action - Adventure - RPG | 1 player | 1998
One Piece: Unlimited Adventure (Undub)
2
Action - Adventure | 2 players | 2008
Overlord: Raising Hell
4
Action - Adventure | 1 player | 2008
3
Oregon Trail II: 25th Anniversary Limited Edition
Adventure - Simulation - Edutainment | 1 player | 1996
Okami
3
Action - Adventure | 1 player | 2008
Overlord: Dark Legend
4
Action - Adventure | 1 player | 2009
2
Ocarina of Time Spaceworld '97 Beta Experience
2
Action - Adventure | 1 player | 2021
Orion Burger
1
Adventure | 1 player | 1996
6
O.D.T.: Escape... Or Die Trying
18
Action - Adventure - RPG | 1 player | 1998
Oishinbo: Kyukyoku no Menu 3bon Syoubu
Adventure | 1 player | 1989
Once Upon A Time: Abracadabra
Action - Adventure - Edutainment | 1 player | 1991
Onegai Monsters
Adventure - RPG | 1 player | 1999
Onimusha 3: Demon Siege
3
Action - Adventure | 1 player | 2004
Onimusha 2
1
Action - Adventure | 1 player | 2002
Once Upon A Timeline
Adventure | 1 player | 2015
Onions.EXE
Action - Adventure - Horror | 1 player | 2014
Onimusha: Warlords
1
Action - Adventure | 1 player | 2001
2
Octodad
Other - Adventure | 1 player | 2011
Outer World
Action - Adventure | 1 player | 1992
Ore wa Shoujo Mangaka
1
Adventure - Visual novel | 1 player | 2012
Oscar the Balloonist Discovers the Farm
Edutainment - Adventure | 1 player | 2001
Outpost 69: Lust in Space
Adventure - Adult | 1 player | 1996
3
Opossum Country
3
Adventure - Horror | 1 player | 2020
Ore! Tomba
Action - Adventure - Platformer | 1 player | 1998
Ooze: Creepy Nites
Adventure - Text-based | 1 player | 1989
Orion Burger
Adventure | 1 player | 1996
Once Upon A Time: Little Red Riding Hood
Adventure - Edutainment | 1 player | 1991
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