25 wads
| File | Name | Author | Iwad | Demos | Length |
|---|---|---|---|---|---|
| styx3 | styx3 | Nathan Chapman | doom | 1 | 25:34 |
| sub | sub | Tony Soderlund | doom2 | 7 | 3:02 |
| sub-ep | sub-ep | Pablo Dictter & Joel Murdoch | doom | 6 | 18:44 |
| subspace | Subspace (Master Levels) | Christen Klie | doom2 | 9 | 10:23 |
| subterra | Subterra (Master Levels) | Christen Klie | doom2 | 6 | 15:34 |
| subvertd | Subverted | Pierrot | plutonia | 2 | 7:28 |
| subway | subway | The Wad Factory | doom2 | 3 | 3:07 |
| subway11 | subway11 | Greg B. | doom | 2 | 3:34 |
| subway21 | subway21 | Neal Ziring | doom | 3 | 11:00 |
| sudtic | sudtic | The Innocent Crew | doom | 47 | 5:43:41 |
| suffer | suffer | Jose Luis Gallardo | doom2 | 1 | 11:15 |
| suiciide | suiciide | Peter Hawes | doom2 | 5 | 0:52 |
| summer69 | Summer of '69 | Ribbiks & dannebubinga | doom2 | 17 | 46:25 |
| sunder | Sunder | Insane_Gazebo | doom2 | 219 | 54:22:07 |
| sungod | sungod | D. R. Duncan | doom | 4 | 29:56 |
| sunlust | Sunlust | Ribbiks & dannebubinga | doom2 | 663 | 77:47:38 |
| supar1337 | supar1337 | 1337k1113rd00d | doom2 | 4 | 1:27 |
| supawar | Super War | Dqey | doom2 | 1 | 0:17 |
| superfly | superfly | Jim Jankowski | doom2 | 1 | 2:21 |
| superwad | superwad | Memfis | doom2 | 2 | 8:25 |
| supjosh | supjosh | Trar | doom2 | 2 | 0:51 |
| surge | surge | Josh Sealy | doom2 | 108 | 2:58:42 |
| surge2 | Surge DM II (v2.1) | Various | doom2 | 2 | 0:07 |
| surmont | surmont | Larry Schaudies | doom | 1 | 8:17 |
| surprise | Surprise! | Knud Hinnerk Moeller | doom | 2 | 6:03 |