| Short name | Description | Year | Manufacturer | Runnable | Parent |
|---|---|---|---|---|---|
| alphaone | Alpha One (prototype, 3 lives) | 1983 | Atari | Yes | mhavoc |
| alphaonea | Alpha One (prototype, 5 lives) | 1983 | Atari | Yes | mhavoc |
| mhavoc | Major Havoc (rev 3) | 1983 | Atari | Yes | |
| mhavoc2 | Major Havoc (rev 2) | 1983 | Atari | Yes | mhavoc |
| mhavocp | Major Havoc (prototype) | 1983 | Atari | Yes | mhavoc |
| mhavocrv | Major Havoc - Return to Vax | 2006 | hack (JMA) | Yes | mhavoc |