O List

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O'Leary Manager 2000

Obelix
Olympic Summer Games
On the Tiles - Franky, Joe & Dirk
Oni
Oni 2 - Innin Densetsu
Oni 3 - Kuro no Hakaishin
Oni 4 - Kishin no Ketsuzoku
Oni 5 - Innin wo Tsugumono
Operation C
Othello
Out of Gas

GameBoy Color