| Pwad | Author | Demos |
| Satan | Jeffrey Kung | 1 |
| Satan666 | Jeffrey Kung | 1 |
| Sbspd002 | various | 10 |
| Sbspd013 | various | 22 |
| Scc2 | Christian Antkow | 1 |
| Schlagx | Christopher Emirzian | 1 |
| Sci | Scientist | 10 |
| Scream | Cameron Newham | 1 |
| Scythe | Erik Alm and Kim Bach | 350 |
| Scythe2 | Erik Alm | --- |
| Sector57 | Scott McNutt | 2 |
| Seej | Dario Casali | 4 |
| Self-ep | Paul Corfiatis | 3 |
| Selfish5 | Paul Corfiatis | 3 |
| Serenity | Bjorn Hermans
Holger Nathrath |
21 |
| Serious | James Relunia | 1 |
| Seven | Sonny Wasinger | 1 |
| Sfft | Cast Draling | 1 |
| Shaft | Marc Pelletier | 2 |
| Shamjam5 | Sparkle Tom | 1 |
| Siege | Derek Merrill | 6 |
| Simply | J.C.Bengtson | 2 |
| Sin2_9 | Kurt Maples | 3 |
| Skulkeep | Marcus Malden | 2 |
| Skyewood | Steve Rescoe | 3 |
| Slaughter | ? | 1 |
| Slayer | Richard Wiles | 60 |
| Slosh | Peter Schiecke | 6 |
| Sm | Martin Friberg | 2 |
| Sniper | Rich Sham | 2 |
| Snq | Varun Abhirama Krishna | 3 |
| Snq2 | Varun Abhirama Krishna | 1 |
| Sonic | Stephen Clark | 5 |
| Sp_simp | Agent Spork | 1 |
| Spacelab | Keith Hickman | 1 |
| Spawnsq2 | Squonkamatic/various | 1 |
| Spdvilla | R J Young | 11 |
| Spineinj | Dennis "Exl" Meuwissen | 6 |
| Spiral1 | Perry Smith | 1 |
| Spone | Jason Sloan | 1 |
| Sprike | John Bishop | 4 |
| Squadron417 | Keith Hickman + | 50 |
| Square | Tobias Münch | 5 |
| Steel | Tobias Münch | 1 |
| Stepstep | Alexander Supalov | 3 |
| Stigmata | Ray Schmitz | 1 |
| Stole | Paul Corfiatis | 3 |
| Stone | Zeratul 982 | 2 |
| Stones | Michael Kelsey | 2 |
| Strain | Strain Team | 62 |
| Stylin2 | John Wantland | 5 |
| Sub-ep | Pablo Dictter
Joel Murdoch |
6 |
| Subspace | Christen Klie | 3 |
| Subterra | Christen Klie | 1 |
| Sudtic | The Innocent Crew | 18 |
| Supar1337 | ? | 2 |
| Survival | Rick Clark | 2 |
| Swblstcs | Sam Woodman
Andy Olivera |
6 |
| Switches | ? | 1 |
| Swlavcit | Sam Woodman | 7 |
| Swmort02 | Sam Woodman
Mattias Berggren |
6 |
| Swmort03 | Sam Woodman | 2 |
| Swmort04 | Sam Woodman | 6 |
| Swmort05 | Sam Woodman | 1 |
| Swockham | Sam Woodman | 5 |
| Swomega | Sam Woodman | 2 |
| Symoism | Symo Storr | 1 |
| Symoplan | Symo Storr | 1 |