| Brian Raffel | Executive Project Director |
| John Romero | Executive Producer |
| Shane Gurno | Artist |
| Brian Pelletier | Artist |
| Brian Raffel | Artist |
| Jim Sumwalt | Additional Artist |
| Scott Rice | Additional Artist |
| Matia Wagabaza | Additional Artist |
| Steve Raffel | Additional Artist |
| Rebecca Rettenmund | Additional Artist |
| Brian Frank | Additional Artist |
| Ben Gokey | Programmer |
| Chris Rhinehart | Programmer |
| Paul MacArthur | Programmer |
| Michael Raymond-Judy | Level Design |
| Eric C. Biessman | Level Design |
| Kevin Schilder | Sound & Music |
| John Carmack | 3D Engine |
