| Title | System | Year | |
|---|---|---|---|
| XTC Abandonware | Commander Keen 1 - Marooned on Mars | PC | 1990 |
| Lostgames Abandonware | Commander Keen: Episode 1 | PC | 1990 |
| Abandonware Dos | Commander Keen 1: Marooned on Mars | PC | 1990 |
| DJ Old Games | Commander Keen 1: Marooned on Mars | unknown | 1990 |
| Free Game Empire | Commander Keen 1 | PC | |
| RetroGames.cz | Commander Keen 1: Marooned on Mars | PC | 1990 |
| Smush The Cat | Commander Keen - Episode 1 | PC | 1990 |
| The Good Old Days | Commander Keen in Invasion of the Vorticons | PC | 1990 |