| Object | Radius | Height | Moving width |
|---|---|---|---|
| Player | 16 | 56 | 33 |
| Former human | 20 | 56 | 42 |
| Former human sergeant | 20 | 56 | 42 |
| Imp | 20 | 56 | 42 |
| Demon or Spectre | 30 | 56 | 62 |
| Cacodemon | 31 | 56 | 64 |
| Lost soul | 16 | 56 | 34 |
| Baron of Hell | 24 | 64 | 50 |
| Cyberdemon | 40 | 110 | 82 |
| Spiderdemon | 128 | 100 | 258 |
| Barrel | 10 | 42 | Not applicable |
| Gettable objects | 20 | 16 | 42 |
| Most obstacles | 16 | 16 | Not applicable |
| Large, brown tree | 32 | 16 | Not applicable |