| Sonic 1 and 2 | ColinC10 | Sonic the Hedgehog 2 | Action > Platformer | GEN | L, O | Improvement | Revision 1 | 11 Dec 2010 |
| Sonic 2 Reversed Frequencies | FraGag | Sonic the Hedgehog 2 | Action > Platformer | GEN | S | Improvement | 1.0 | 06 Jan 2010 |
| Sonic the Hedgehog - The Lost Worlds | ExecByte | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, L | Complete | 1 | 26 Aug 2009 |
| Sonic VR | ColinC10 | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, S, L, T, GP | Complete | 1.0 | 18 Sep 2011 |
| Sonic Zeta Overdrive | Mikel | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, S, L, T, GP | Complete | 2009 Hacki | 06 Jul 2010 |
| 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 - Advanced Edit 2 | rika_chou | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, L | Improvement | 2.0 | 12 Jul 2004 |
| Sonic the Hedgehog 2: Tohaka Version | Ultima | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, L | Improvement | 0.21 | 07 May 2004 |
| Metal Sonic in Sonic the Hedgehog 2 | Lone Devil | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, S, T, GP, O | Improvement | 2.1 | 09 Nov 2014 |
| Sonic 2 Improvement | lory1990 | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, GP | Improvement | 7.3 | 22 Jan 2021 |
| Kirby in Sonic the Hedgehog 2 | Lone Devil | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, T, GP | Improvement | 1.0 | 25 Oct 2015 |
| Keep Da Flo Edition | Alianger | Sonic the Hedgehog 2 | Action > Platformer | GEN | GP | Improvement | 0.9 | 21 Nov 2016 |
| Sonic Legacy | Gamma V | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, S, L, T, O | Complete | 1.2 | 24 Oct 2017 |
| Sonic 2 Bugfixes & Knuckles | mcginnis03 | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, L, GP, O | Bug Fix | 3 | 09 Sep 2020 |
| Sonic the Hedgehog 2 - Sat AM Edition | Dom Jurumela | Sonic the Hedgehog 2 | Action > Platformer | GEN | G | Improvement | 2.1 | 31 Jul 2020 |
| Sonic 2: Fair Fight | Raiden1407 | Sonic the Hedgehog 2 | Action > Platformer | GEN | L, O | Improvement | 1.0 | 28 Sep 2020 |
| Prototype Sprites in Final Sonic 2 | mcginnis03 | Sonic the Hedgehog 2 | Action > Platformer | GEN | G | Complete | 1.0 | 30 Sep 2020 |
| Sonic 2 Fixed Sprites | mcginnis03 | Sonic the Hedgehog 2 | Action > Platformer | GEN | G | Improvement | 1.0 | 20 Jan 2021 |
| Easy Mode Hack | LOst | Sonic the Hedgehog | Action > Platformer | GEN | L | Improvement | 1.0 | 23 Nov 2003 |
| Sonic 1 Megamix | Stealth, Tweaker | Sonic the Hedgehog | Action > Platformer | GEN | G, S, L, T, GP | Complete | 4.0 | 13 Aug 2008 |
