| Mary Shelley's Frankenstein USA | Nintendo - Super Nintendo Entertainment System | 1994 |
| Mary Shelley's Frankenstein USA Beta | Nintendo - Super Nintendo Entertainment System | 1994 |
| Itchy & Scratchy Game, The USA Proto | Sega - Mega Drive - Genesis | 1994 |
| Chase H.Q. USA Europe | Nintendo - Game Boy | 1990 |
| Taito Chase H.Q. Japan | Nintendo - Game Boy | 1990 |