O |
||||
|---|---|---|---|---|
| Game Title | Size | OS | Manufacturer | Summary |
| Obsidian | 18.8M | Win95 | SegaSoft | Adventure |
| Oddballz (with Dynaroo Eggs) | 2.6M | Win3.x | PF Magic | Interactive Toy |
| Oddballz (with Movark Eggs) | 2.6M | Win3.x | PF Magic | Interactive Toy |
| Oilcap Pro | 1.0M | Win3.x | Soleau Software | Arcade |
| One Must Fall 2097 | 2.8M | DOS | Epic MegaGames | Fighting Game |
| Oracle of Runes | 980K | Win3.x | Soleau Software | Puzzle |
Outlaws  |
14.0M | Win95 | LucasArts | Action/Adventure |
| Over the Reich (short demo) Over the Reich (in-depth) |
10.0M 24.9M |
DOS | Big Time Software | Turn-Based War Strategy |
