Giochi — O
286 giochi.
- Oregon (1971)
- Othello (1986)
- OutRun (1986)
- Onryō Senki (1989)
- Operation Wolf (1989)
- Ordyne (1989)
- Operation C (1991)
- Operation Europe: Path to Victory 1939-45 (1991)
- Over Horizon (1991)
- Omega (1992)
- Ogre Battle (1993)
- Obsession (1994)
- Off-World Interceptor (1995)
- Oregon Trail II (1995)
- OverBlood (1996)
- One (1997)
- O.D.T.: Escape... or Die Trying (1998)
- Off Road Challenge (1998)
- One Unit Whole Blood (1998)
- OverBlood 2 (1998)
- Ogre Battle 64: Person of Lordly Caliber (1999)
- Omega Boost (1999)
- Oddworld Adventures 2 (2000)
- Operation Spacehog (2000)
- Orbiter (2000)
- Orphen: Scion of Sorcery (2000)
- Oddworld: Munch's Oddysee (2001)
- Okage: Shadow King (2001)
- Oni (2001)
- Ooga Booga (2001)
- Outtrigger (2001)
- O.R.B.: Off-World Resource Base (2002)
- OpenOffice (included games) (2002)
- Operation Blockade (2002)
- Operation Flashpoint: Game of the Year Edition (2002)
- Operation Flashpoint: Resistance (2002)
- Orbz (2002)
- Otogi: Myth of Demons (2002)
- Outlaw Golf (2002)
- Oddworld: Munch's Oddysee (2003)