| Vector the Crocodile in Sonic the Hedgehog | E-122-Psi | Sonic the Hedgehog | Action > Platformer | GEN | G, GP | Improvement | Rev 1.4 | 12 Feb 2012 |
| Mighty the Armadillo in Sonic the Hedgehog | E-122-Psi | Sonic the Hedgehog | Action > Platformer | GEN | G, GP | Improvement | 1.1 | 25 Nov 2011 |
| Metal Sonic in Sonic the Hedgehog | Lone Devil | Sonic the Hedgehog | Action > Platformer | GEN | G, S, T, GP, O | Improvement | 3.8 | 10 Nov 2014 |
| Doctor Robotnik's Creature Capture | MarkeyJester | Sonic the Hedgehog | Action > Platformer | GEN | G, L, T, GP | Complete | Rev 1.3 | 01 Apr 2012 |
| Sonic the Hedgehog 1 @ SAGE 2010 | Cinossu | Sonic the Hedgehog | Action > Platformer | GEN | G, T, O | Improvement | 1.0 | 08 Aug 2010 |
| Sonic 1 - Return to the Origin | carretero | Sonic the Hedgehog | Action > Platformer | GEN | GP | Improvement | 2.0 | 23 Oct 2007 |
| Sonic 1 Remastered | Puto | Sonic the Hedgehog | Action > Platformer | GEN | G, S | Improvement | 1.1 | 14 Jul 2007 |
| Sonic 1 Reversed Frequencies | FraGag | Sonic the Hedgehog | Action > Platformer | GEN | S | Improvement | 1.0 | 06 Jan 2010 |
| The S Factor: Sonia and Silver | Aquaslash | Sonic the Hedgehog | Action > Platformer | GEN | G, S, L, T, GP, O | Complete | 8-8-13 | 08 Aug 2013 |
| SoniNeko | Nineko | Sonic the Hedgehog | Action > Platformer | GEN | S, L, T | Improvement | 1.1.1 | 23 Nov 2008 |
| Jester's Challenge | MarkeyJester | Sonic the Hedgehog | Action > Platformer | GEN | G, S, L, T, GP | Complete | First rele | 07 Dec 2010 |
| Sonic the Hedgehog - Westside Island | D.A. Garden | Sonic the Hedgehog | Action > Platformer | GEN | G, L, T, O | Complete | 1.0 | 03 Jul 2008 |
| Sonic 1: Bouncy Edition | Xenowhirl | Sonic the Hedgehog | Action > Platformer | GEN | GP, O | Complete | 1.0 | 31 Jul 2007 |
| Sonic 1 The Blue Blur | Schwa | Sonic the Hedgehog | Action > Platformer | GEN | G, L, T | Complete | Only Versi | 09 Jun 2007 |
| Sonic the Hedgehog - The Final Showdown | Anthall | Sonic the Hedgehog | Action > Platformer | GEN | G, L, GP, O | Complete | 2.1 | 14 Nov 2008 |
| Sonic: The One Ring | Mercury | Sonic the Hedgehog | Action > Platformer | GEN | GP | Improvement | Revision # | 22 Nov 2010 |
| Sonic ERaZor | Selbi | Sonic the Hedgehog | Action > Platformer | GEN | G, S, L, T, GP | Complete | 6th Public | 10 May 2016 |
| Sonic the Hedgehog Genesis (Genesis) | Xenowhirl | Sonic the Hedgehog | Action > Platformer | GEN | G, GP, O | Improvement | Release 2 | 06 Dec 2006 |
| Stella the Cat | FeliciaVal | Sonic the Hedgehog | Action > Platformer | GEN | G, L, T, GP | Improvement | 1 | 20 Jan 2011 |
| Sonic 1 Alt | Ell678 | Sonic the Hedgehog | Action > Platformer | GEN | L, GP, O | Complete | Final Vers | 30 Jul 2010 |
