Othello (USA)

Orb 3D (USA)

Obocchama Kun (Japan)

Onyanko Town (Japan)

Operation Wolf (Japan)

Over Horizon (Japan)

Obake no Q Tarou – Wanwan Panic (Japan)

Over Horizon (Europe)

Oishinbo (Japan)

Olympic I.Q. (Asia) (Unl) (NES)

Operation Wolf (USA) (Rev 0A)

Osomatsu Kun (Japan)

Operation Wolf (Europe)

Outlanders (Japan)

Olympus no Tatakai (Japan)

Oeka Kids – Anpanman no Hiragana Daisuki (Japan)

Overlord (USA)

Oishinbo (Japan) [En by Snark v1.0] (~Gourmet)

Operation Secret Storm (USA) (Unl)

Oeka Kids – Anpanman to Oekaki Shiyou!! (Japan)

Otaku no Seiza – An Adventure in the Otaku Galaxy (Japan)