25 wads
| File | Name | Author | Iwad | Demos | Length |
|---|---|---|---|---|---|
| skycity | skycity | Darren McKeigan | doom | 1 | 4:57 |
| skyewood | skyewood | Steve Rescoe | doom2 | 10 | 28:40 |
| skylab | skylab | Matt Robinson | doom2 | 2 | 10:15 |
| skywater | skywater | Sam Ketner | doom2 | 3 | 6:50 |
| sl | sl | ArmouredBlood | doom2 | 20 | 2:38:05 |
| slaughter | slaughter | Unknown | doom2 | 5 | 21:04 |
| slayer | slayer | Richard Wiles | doom2 | 146 | 10:24:54 |
| sldm | SlaughterDM | The SlaughterDM Team (full credits below) | doom2 | 18 | 1:13 |
| sleepwalking | Sleepwalking | Ravendesk | doom2 | 18 | 5:14:39 |
| slime | Slime | Marc A. Pullen [FANATIC] | doom2 | 1 | 4:32 |
| slime2 | Toxic Pit | Jason Benson | doom2 | 3 | 3:07 |
| slith | Slith | Pistoolkip | doom2 | 9 | 28:33 |
| sliw | Sliw | Kraflab | doom2 | 18 | 29:11 |
| slosh | slosh | Peter Schiecke | doom2 | 11 | 47:31 |
| slot | The Slot Machine of Chaos | Phil Roberts | hexen | 3 | 4:09 |
| sloth04 | sloth04 | TimeOfDeath | doom2 | 1 | 39:49 |
| sloth0409 | sloth0409 | TimeOfDeath | doom2 | 4 | 43:03 |
| sloth3g | sloth3g | TimeOfDeath | doom2 | 1 | 1:40 |
| slottr2 | SLOTTER II (Demo) | Various | doom2 | 1 | 3:45 |
| sludgfac | The Sludge Factory (SL... | Ben Saylor | doom | 1 | 3:56 |
| slugfest | slugfest | Shamus Young | doom2 | 25 | 31:42 |
| slut | slut | TimeOfDeath | doom2 | 6 | 1:05:59 |
| sly1 | sly1 | Anthony Adams | doom | 1 | 3:57 |
| sm | sm | Martin Friberg | doom2 | 4 | 4:57 |
| sm2 | sm2 | Hardcore_Gamer | doom2 | 4 | 8:18 |