| Sonic the Hedgehog 2: MTAM the Perfect Existance | KojiChao | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, L | Improvement | 1.0 | 10 Aug 2004 |
| Sonic the Hedgehog 2 XL | Captain Bozo | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, GP | Complete | 1.0 | 12 Jul 2010 |
| Sonic the Hedgehog 2 - Advanced Edit 2 | rika_chou | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, L | Improvement | 2.0 | 12 Jul 2004 |
| Sonic the Hedgehog 1 @ SAGE 2010 | Cinossu | Sonic the Hedgehog | Action > Platformer | GEN | G, T, O | Improvement | 1.0 | 08 Aug 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 the Hedgehog - The Lost Worlds | ExecByte | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, L | Complete | 1 | 26 Aug 2009 |
| 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 Hedgehog - SMS Style Edition | tailsnic | Sonic the Hedgehog | Action > Platformer | GG | G | Improvement | 1.15 | 30 Mar 2017 |
| Sonic the Hedgehog - FM | Valleybell | Sonic the Hedgehog | Action > Platformer | SMS | S | Improvement | 1.02 | 06 Dec 2014 |
| Sonic The Hedgehog (NES) Improvement V1.0 + Music | Ti | Somari the Adventurer | Action > Platformer | NES | S | Addendum | 1.0 | 01 Dec 2016 |
| Sonic The Hedgehog (NES) Improvement V1.0 + Graphics | Sics | Somari the Adventurer | Action > Platformer | NES | G, O | Addendum | 1.0 | 05 Dec 2016 |
| Sonic The Hedgehog (NES) Improvement V1.0 | the jabu | Somari the Adventurer | Action > Platformer | NES | G, GP | Improvement | 1.0 | 20 Nov 2016 |
| Sonic The Hedgehog (NES) Improvement + Music and Graphics V 1.2 | FuriousHedgehog | Somari the Adventurer | Action > Platformer | NES | G, S | Addendum | 1.2 | 15 Dec 2017 |
| Sonic Tetris | Crash | Sonic the Hedgehog | Action > Platformer | GEN | G, S, L, T, GP, O | Complete | 1.0 | 06 Aug 2014 |
| Sonic Level Fix | Hybrid | Somari the Adventurer | Action > Platformer | NES | O | Bug Fix | 1.1 | 11 Oct 2016 |
| Sonic Legacy | Gamma V | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, S, L, T, O | Complete | 1.2 | 24 Oct 2017 |
| Sonic in Super Mario 64 DS | Russmarrs2 | Super Mario 64 DS | Action > Platformer | NDS | G | Improvement | 1.0 | 28 Apr 2015 |
| Sonic in Chaotix | JJFTails | Knuckles' Chaotix | Action > Platformer | 32X | G | Improvement | 1.2 | 11 Nov 2006 |
| Sonic Gaiden | Yuski | Sonic the Hedgehog | Action > Platformer | GEN | G, L, GP | Improvement | 0.4 | 15 May 2004 |
| Sonic ERaZor | Selbi | Sonic the Hedgehog | Action > Platformer | GEN | G, S, L, T, GP | Complete | 6th Public | 10 May 2016 |
