|
Oddworld Adventures (USA, Europe) |
???? |
Open |
|
Oira Jajamaru! Sekai Daibouken (Japan) |
1990 |
Open |
Linked with game |
Olympic Summer Games (USA, Europe) (SGB Enhanced) |
???? |
Open |
|
Oni II - Oni Densetsu (Japan) |
???? |
Open |
|
Oni III - Kuro no Hakaishin (Japan) |
1993 |
Open |
|
Oni IV - Kijin no Ketsuzoku (Japan) |
???? |
Open |
|
Oni IV - Kijin no Ketsuzoku (Japan) (Rev 1) (Beta) |
???? |
Open |
|
Oni V - Oni wo Tsugumono (Japan) (SGB Enhanced) |
???? |
Open |
|
Onigashima Pachinkoten (Japan) |
???? |
Open |
Linked with game |
Operation C (USA) |
1991 |
Open |
|
Operation C (World) (Contra Anniversary Collection) |
???? |
Open |
|
Osawagase! Penguin Boy (Japan) |
???? |
Open |
|
Othello (Europe) |
???? |
Open |
|
Othello (Japan) |
???? |
Open |
|
Othello World (Japan) (SGB Enhanced) |
???? |
Open |
|
Otogibanashi Taisen (Japan) (SGB Enhanced) |
???? |
Open |
|
Otto's Ottifanten - Baby Bruno's Alptraum (Europe) (En, Fr, De, Es) |
1998 |
Open |
|
Otto's Ottifanten - Baby Bruno's Alptraum (Europe) (En, Fr, De, Es) (Beta) |
???? |
Open |
|
Out of Gas (USA) |
???? |
Open |
|
Out of Gas (USA) (Beta) |
???? |
Open |
|
Outburst (Japan) |
???? |
Open |
|
Oyatsu Quiz Mogu Mogu Q (Japan) (SGB Enhanced) |
???? |
Open |