Download Nintendo Game Boy ROMs
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Choose a Letter: (Or browse by Genre)
(to list titles beginning with the chosen letter)(Total titles available: 1508)Want even more options ? Browse by genre, rating, and more with our advanced rom browser!
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Step 2 (choose a game) »
Listing games beginning with O:
(18 titles found)Oddworld Adventures (USA, Europe)Oira Jajamaru! Sekai Daibouken (Japan)Olympic Summer Games (USA, Europe)Oni II - Innin Densetsu (Japan)Oni III - Kuro no Hakaishin (Japan)Oni IV - Kijin no Ketsuzoku (Japan)Oni V - Innin o Tsugumono (Japan)Onigashima Pachinkoten (Japan)Operation C (USA)Osawagase! Penguin Boy (Japan)Othello (Europe)Othello (Japan)Othello World (Japan)Otogibanashi Taisen (Japan)Otto's Ottifanten - Baby Bruno's Nightmare (Europe) (En,Fr,De,Es)Out of Gas (USA)Outburst (Japan)Oyatsu Quiz Mogu Mogu Q (Japan)