Amiga
Games by Alpha: 'O'
| Obitus | FAQs | --- | --- | Board |
| Oh No! More Lemmings | FAQs | Codes | --- | Board |
| One Step Beyond | --- | Codes | --- | Board |
| Operation Neptune | --- | --- | --- | Board |
| Operation Stealth | FAQs | Codes | --- | Board |
| Operation Wolf | --- | --- | --- | Board |
| Ork | --- | Codes | --- | Board |
| Oscar | --- | Codes | --- | Board |
| Osiris | --- | Codes | --- | Board |
| Outlands | --- | --- | --- | Board |
| Outrun | --- | Codes | --- | Board |
| Overlander | --- | --- | --- | Board |
| Oxyd Magnum! | --- | Codes | --- | Board |
