| Space Hunter | Zatos Hacks | Action Adventure | NES | Fully Playable | 1.0 | 23 May 2018 | EN |
| Space Squash | Feel | Sports | VB | Unfinished | 1.0 | 07 Aug 2007 | EN |
| Space Squash | Feel, KR155E | Sports | VB | Fully Playable | 2.0 | 02 Jun 2013 | EN |
| Spartan X 2 | Abstract Crouton Productions | Action | NES | Fully Playable | 1.0 | 07 Mar 2003 | EN |
| Spelunker II: Yuushahe no Chousen | Sarysa | Role Playing > Action RPG | NES | Fully Playable | 0.9 | 20 Mar 2003 | EN |
| Spelunker II: Yuushahe no Chousen | Stardust Crusaders | Role Playing > Action RPG | NES | Fully Playable | 1.0 | 18 Feb 2011 | EN |
| Splatterhouse: Wanpaku Graffiti | Spinner 8 and friends | Action | NES | Fully Playable | 2.0 | 07 Jan 2000 | EN |
| Sqoon | Stardust Crusaders | Action > Shooter | NES | Fully Playable | 1.0 | 19 Feb 2010 | EN |
| Square no Tom Sawyer | Kikuyama | Role Playing | NES | Unfinished | 0.07 | 10 Dec 1998 | EN |
| Square no Tom Sawyer | Dushbadge | Role Playing | NES | Unfinished | 2.0 | 14 Aug 2016 | EN |
| Squashed | HTI | Action > Platformer | NES | Fully Playable | 1.00 | 19 Nov 2002 | EN |
| Standard Daisenryaku: Shiwareta Shouri | Nebelwurfer HQ | Strategy | PS2 | Unfinished | 0.60 | 18 May 2012 | EN |
| Star Cruiser | Nebulous Translations | Role Playing > Action RPG | GEN | Fully Playable | 0.991 | 20 Nov 2016 | EN |
| Star Cruiser | Nebulous Translations | Role Playing > Action RPG | X68K | Fully Playable | 0.99 | 18 May 2019 | EN |
| Star Cruiser II: The Odysseus Project | Nebulous Translations | Role Playing > Action RPG | PC98 | Fully Playable | 1.0 | 08 Oct 2017 | EN |
| Star Fox 2 | josete2k | Action > Shooter | SNES | Addendum | 1.0 | 23 Oct 2017 | EN |
| Star Fox 2 | Aeon Genesis | Action > Shooter | SNES | Fully Playable | 1.00 | 17 Oct 2004 | EN |
| Star Fox 2 | ManuLöwe | Action > Shooter | SNES | Addendum | 20.07.2010 | 20 Jul 2010 | EN |
| Star Ocean | DeJap Translations | Role Playing | SNES | Fully Playable | 1.0 | 31 Dec 2003 | EN |
| Star Ocean: Blue Sphere | lokai20 | Role Playing | GB | Unfinished | 0.1 | 24 Nov 2010 | EN |
