| Sacred Gem Demo | Pancake ◪ | 2006-05-29 |
| 105 |
| Shooting Game Demo | Nytar ◪ | 2006-12-16 |
| 108 |
| Sudoku Simulator | nooodl ◪ | 2009-06-03 | No reviews. | 115 |
| Spoder Road | Nemesis^ | 1997-07-23 |
| 103 |
| Saga of Dan Demo | Nash ◪ | 1996-11-26 | No reviews. | 105 |
| Sprite Catcher | Nanobot ◪ | 2002-09-29 |
| 97 |
| Sivion Demo II | Monthigos ◪ | |
| 137 |
| Sivion Preview | Monthigos ◪ | |
| 128 |
| Sivion (unfinished) | Monthigos ◪ | 1997-10-27 |
| 161 |
| Starforce: Space Adventure | MegaKev | |
| 21 |
| Sid's Quest (Incomplete) | MattSplatW ◪ | 2006-10-29 | No reviews. | 83 |
| Smiley RPG | Mallo | 1997-12-23 |
| 248 |
| Spooky Boi | LogiCow ◪ | 2020-10-10 | No reviews. | 89 |
| Stargate | Lachesis ◪ | 2011-09-21 |
| 83 |
| Some Stupid Quests (ver. 2) | Kuddy ◪ | 2010-01-15 |
| 142 |
| SPECIAL QUEST! | Kuddy ◪ | 2005-04-01 |
| 195 |
| sleepdrm failure files (ver. 0.2) | KKairos ◪ | 2017-01-31 |
| 70 |
| Spaceman Jones in: Ordeal on Glaxnard XIV (ver. 1.85) | KKairos ◪ | 2014-01-24 |
| 230 |
| Snake Slayer 2013 (ver. 1.1) | KKairos ◪ | 2013-12-26 |
| 175 |
| Survival Challenge, The | KirbySSB ◪ | 2002-11-19 |
| 130 |
| Star Wars: Coruscant | KidAlex | |
| 85 |
| Siphrian | Kayin/RoSS/Koji | 2001-07-21 |
| 109 |
| Star Wars | Joshua Booth | |
| 109 |
| Shadowed | Joseph Toscano | 1997-01-01 |
| 94 |
| Stronghold Demo | Jauhis ◪ | 2010-01-31 |
| 194 |
| Simply Psycho | Jairska | 1995-11-22 |
| 117 |
| Steamed Hams but it's a Megazeux game | inmate2993 ◪ | 2025-09-23 | No reviews. | 52 |
| Super Jet Adventure | Hunter9656 | 1996-07-08 |
| 89 |
| Stupid Tournament | hob nado ◪ | 2006-11-14 |
| 208 |
| Short-Lived Adventures of Hobo Dan, The | hob nado ◪ | 2005-12-15 |
| 383 |
| SimStapler HD | hayashi ◪ | 2009-01-21 |
| 106 |
| SmallGame (ver. 1.1) | hayashi ◪ | 2007-10-12 |
| 89 |
| Servo | Graham ◪ | 2003-04-20 | No reviews. | 107 |
| Stix Demo (ver. 2) | Glynth | 1999-10-21 | No reviews. | 97 |
| Smiley Wars Test | GetDizzy ◪ | 2004-06-10 |
| 91 |
| Shadowblade | Fred ◪ | |
| 100 |
| Stealth Boy Demo | Fighter_Phil ◪ | 2005-03-15 |
| 82 |
| Spongko's Legendary Journey Demo | Eon Entertainment | |
| 234 |
| Second Search, The | Easton Blue ◪ | 2002-01-02 | No reviews. | 105 |
| Search, The | Easton Blue ◪ | 2001-11-04 |
| 122 |
| Secret Untold, The | Dragtaur / MetaMagus | 1997-03-17 | No reviews. | 63 |
| Seiken Densetsu: Blade of Islan | djtiesto ◪ | 1997-08-14 |
| 256 |
| Slimed! Demo (ver. 0.3) | Creator | |
| 122 |
| Slave Pit | CHEZZY ◪ | 2006-12-31 |
| 224 |
| Snarfoogle 2: Warp (ver. Demo 2) | cheezit200 ◪ | 1998-01-15 |
| 175 |
| Snarfoogle | cheezit200 ◪ | 1998-01-04 |
| 371 |
| Shadow Hunters | Chaos88 ◪ | 2015-08-18 | No reviews. | 97 |
| Stafen War, The (Unfinished) | Chaos88 ◪ | 2015-08-14 | No reviews. | 75 |
| Smash Time | Castlevania ◪ | |
| 228 |
| Super World | Bugspray | |
| 102 |
