Oni 5 – Innin Wo Tsugumono (Japan) Gameboy GAME ROM ISO

Offensive (Spanish bootleg of Scramble) [Bootleg] Arcade GAME ROM ISO

Ogre (Japan) MSX 2 GAME ROM ISO

Ordyne (World) Arcade GAME ROM ISO

Oscar The Balloonist – Animalistic Adventures (Europe) Nintendo DS GAME ROM ISO

Out Live – It’s Far A Future On Planet (Japan) TurboGrafx 16 GAME ROM ISO

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Osu! Tatakae! Ouendan! (Japan) Nintendo DS GAME ROM ISO

Order Of The Griffon [b1] (USA) TurboGrafx 16 GAME ROM ISO

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Ole (USA) Commodore 64 GAME ROM ISO