| Title | System | Year | |
|---|---|---|---|
| RetroGames.cz | Castelian (Tower Toppler) | NES | 1987 |
| The Commodore Zone | Nebulus | C64 | 1987 |
| RetroGames.cz | Castelian (Tower Toppler) | PC | 1987 |
| XTC Abandonware | Nebulus | PC | 1987 |
| DJ Old Games | Nebulus (Tower Toppler) | unknown | 1987 |
| XTC Abandonware | Tower Toppler \(Nebulus\) | PC | 1988 |
| Title | Genre | Company | Year |
|---|---|---|---|
| Nebulus | unknown | Hewson Consultants | 1987 |