O
| Title | Region | Contributor | Date | Resolution |
| Obitus |
 |
|
|
|
| Obitus |
|
afallenapple |
9/30/20 |
300 |
| Ogre Battle: The March of the Black Queen |
|
Kimba28 |
6/21/09 |
300 |
| Olympic Summer Games |
|
|
|
|
| On the Ball |
|
|
|
|
| Operation Europe: Path to Victory 1939-45 |
|
|
|
|
| Operation Logic Bomb: The Ultimate Search & Destroy |
|
|
|
|
| Operation Thunderbolt |
|
|
|
|
| Oscar |
|
|
|
|
| Out of This World |
|
Hiryu |
10/23/00 |
95 |
| Out to Lunch |
|
|
|
|
| Outlander |
|
|
|
|
