O
| Game Boy Title | Alternate Titles | Release date | Developer | Publisher | Regions released |
|---|---|---|---|---|---|
| Oddworld Adventures | 1998 NA | Saffire Corporation | GT Interactive Software | NA | |
| Olympic Summer Games: Atlanta 1996 | 1996 | Black Pearl Software Tiertex Design Studios |
U.S. Gold | NA EU | |
| Operation C | Probotector EU Contra JP |
January 8, 1991 JP February 1991 NA |
Konami | Ultra Games NA Mattel EU Konami JP |
NA EU JP |
| Othello | |||||
| Out to Lunch | 1993 | Mindscape | Mindscape | EU |
Read more about this topic: List Of Games For The Original Game Boy