1 Obitus (1991) 2 Objection! (1994) 3 Obliterator (1989) 4 Ocean Ranger (1989) 5 Ocean Trader (1995) 6 Off Shore Warrior (1988) 7 Off To Europe (1992) 8 Offensive (1996) 9 Ogre (1986) 10 Oil Barons (1992) 11 Oil's Well (1984) 12 Oligopoly (1988) 13 Olimpiadas 92: Gimnasia Deportiva (1992) 14 Oliver and Company (1989) 15 Olmangzolmang Paradise (1995) 16 Olympic Soccer (1996) 17 Olympics Games 92' (1992) 18 Omar Sharif on Bridge (1991) 19 Omni-play Basketball (a.k.a. Magic Johnson's MVP) (1990) 20 On The Ball: League Edition (a.k.a. Anstoss) (1994) 21 On The Ball: World Cup Edition (a.k.a. Anstoss: World Cup Edition) (1994) 22 One Must Fall 2097 (1994) 23 One Step Beyond (1993) 24 One-Nil (1992) 25 Onesimus: A quest for Freedom (1992) 26 Onslaught (1990) 27 Oo-Topos (1987) 28 Operation Bodycount (1995) 29 Operation Carnage (1992) 30 Operation Combat (1991) 31 Operation Combat II: By Land, Sea and Air (1993) 32 Operation Europe: Path to Victory 1939-45 (1989) 33 Operation Harrier (1990) 34 Operation Market Garden (1986) 35 Operation Overlord (1994) 36 Operation Stealth (1990) 37 Operation War in the Pacific (2003) 38 Operation Wolf (1989) 39 Orbiter (1988) 40 Orbits: Voyage through The Solar System (1991) 41 Ordago 42 Oregon Trail Deluxe (1992) 43 Oregon Trail, The (1992) 44 Origamo (1994) 45 Orion Conspiracy, The (1995) 46 Oscar (1993) 47 Out of This World (1990) 48 Out Run (1989) 49 Outer Ridge (1995) 50 Outpost (1994) 51 Overdrive (1995) 52 Oxyd (1992) 53 Oxyd Extra (1994)