O

O-chan no Oekaki Logic (Japan)

Obitus (USA)

Oda Nobunaga - Haou no Gundan (Japan)

Odekake Lester - Lelele no Le (Japan)

Oekaki Logic (Japan) (NP)

Oekaki Logic 2 (Japan) (NP)

Ogre Battle - The March of the Black Queen (USA)

Okamoto Ayako to Match Play Golf - Ko Olina Golf Club in Hawaii (Japan)

Olivia's Mystery (Japan)

Olympic Summer Games (Europe)

Olympic Summer Games (USA)

Ongaku Tsukuru Kanaderu (Japan)

Onizuka Katsuya Super Virtual Boxing - Shin Kentou Ou Densetsu (Japan)

On the Ball (USA)

Oomono Black Bass Fishing - Jinzouko Hen (Japan)

Oonita Atsushi FMW - Kagekara no Chousen (Japan)

Oozumou Damashii (Japan)

Operation Europe - Path to Victory 1939-45 (USA)

Operation Logic Bomb (USA)

Operation Thunderbolt (USA)

Oraga Land Shusai - Best Farmar Shuukakusai (Japan)

Oscar (USA)

Ossu!! Karate-bu (Japan)

Othello World (Japan)

Otoboke Ninja Colosseum (Japan)

Otogirisou (Japan)

Outer World (Japan)

Outlander (Europe)

Outlander (USA)

Out of This World (USA)

Out to Lunch (USA)