NES Games - O
» Oeka Kids: Anpanman no Hiragana Daisuki (1991; Bandai; Action, Educational)
» Operation Europe: Path to Victory 1939-45 (1992; KOEI; Role-Playing (RPG), Simulation, Strategy)
» Operation Secret Storm (1991; Color Dreams; Action)
» Operation Wolf (1989; Taito; Action)
» Orb-3D (1990; Hi-Tech Expressions; Action, Strategy)
» Othello (1988; Acclaim Entertainment; Strategy)
» Overlord (1992; Virgin Games; Strategy)
