| Skies of Arcadia Legends PAL 60hz Patch | Maeson | Skies of Arcadia Legends | Role Playing | GC | O | Improvement | 1.0 | 21 Aug 2016 |
| Skies of Arcadia Legends - Hold B to skip encounters | cleartonic | Skies of Arcadia Legends | Role Playing | GC | GP | Improvement | 1.01 | 04 Aug 2020 |
| Skate or Die MMC5 Patch | Dracula X | Skate or Die | Sports | NES | O | Improvement | 1.0 | 21 May 2020 |
| Sim City - Sylt Map | lytron | SimCity | Simulation | SNES | O | Complete | 1.0 | 25 Oct 2014 |
| Silver Surfer - AutoFire | MottZilla | Silver Surfer | Action > Shooter | NES | GP | Improvement | 1.0 | 16 Feb 2015 |
| Silver Surfer Super Cheats | dougeff | Silver Surfer | Action > Shooter | NES | GP | Improvement | 1.0 | 12 Feb 2016 |
| Silk 2 | Inventor | Silkworm | Action > Shooter | NES | G | Complete | 1.0 | 01 Jan 2003 |
| Civilization UI & Text Tweaks | Maeson | Sid Meier's Civilization | Strategy > Turn Based | SNES | G, T | Bug Fix | 1.0 | 19 Dec 2021 |
| Shinobi X - 60Hz Hack | NoelleAmelie | Shinobi X - Shin Shinobi Den (SAT) | Action > Platformer | SAT | GP, O | Improvement | 1.0a | 21 Sep 2021 |
| Shinobi III Enhancement Hack | Jon Najar | Shinobi III: Return of the Ninja Master | Action > Platformer | GEN | S, T, GP, O | Improvement | 111009 | 09 Oct 2011 |
| Shinobi III SRAM | BillyTime! Games | Shinobi III: Return of the Ninja Master | Action > Platformer | GEN | O | Improvement | 1.1 | 22 Sep 2021 |
| Shinobi Arcade | the jabu | Shinobi | Action > Platformer | NES | G, T, GP, O | Improvement | 1.1 | 10 Mar 2015 |
| Shinobi Masked | K.K. Drunkinski | Shinobi | Action > Platformer | NES | G | Improvement | 1.0 | 30 Dec 2013 |
| Shining in the Darkness - Battle Edition v2 Complete | Shining Force Central | Shining in the Darkness | Role Playing | GEN | G, L, GP, O | Complete | 2.0 | 04 Dec 2012 |
| Thornwood Terrors Collection | obscurumlux01 | Shining in the Darkness | Role Playing | GEN | GP, O | Improvement | 1.01 | 08 Oct 2015 |
| Antigrinding | Ilya Indigo | Shining in the Darkness | Role Playing | GEN | GP, O | Improvement | 1.0 | 08 Jan 2020 |
| Shining Force 2, Challenge Mode | Obob | Shining Force II | Strategy > Turn Based | GEN | L, GP | Complete | 1.01 | 27 May 2008 |
| Shining Force II - Cheaters Edition | Whipon | Shining Force II | Strategy > Turn Based | GEN | GP | Improvement | 1.0 | 15 Jan 2012 |
| Shining Force II - Gong edition | cireza | Shining Force II | Strategy > Turn Based | GEN | G, T, GP | Complete | 1.0 | 25 Nov 2016 |
| Shining Force II Maeson | Maeson | Shining Force II | Strategy > Turn Based | GEN | G, T, GP, O | Complete | 1.0 | 11 Jan 2017 |
