Pocket Arcade Online
| Game Title | Country | Year | Publisher |
|---|---|---|---|
| Oni 4 - Kishinno Ketsuzoku | Unknown | Unknown | Unknown |
| Othello | Unknown | Unknown | Unknown |
| Out To Lunch | Unknown | Unknown | Unknown |
| Olympic Summer Games | US | Jun-96 | Black Pearl Software |
| Operation C | US | Feb-91 | Ultra Soft |
| Out of Gas | US | Oct-92 | FCI |
| Oddworld Adventures | US | Dec-98 | GT Interactive |