| Short name | Description | Year | Manufacturer | Runnable | Parent |
|---|---|---|---|---|---|
| eprom | Escape from the Planet of the Robot Monsters (set 1) | 1989 | Atari Games | Yes | |
| eprom2 | Escape from the Planet of the Robot Monsters (set 2) | 1989 | Atari Games | Yes | eprom |
| guts | Guts n' Glory (prototype) | 1989 | Atari Games | Yes | |
| klaxp1 | Klax (prototype set 1) | 1989 | Atari Games | Yes | klax |
| klaxp2 | Klax (prototype set 2) | 1989 | Atari Games | Yes | klax |