| Sonic Triple Trouble SMS | Glitch | Sonic the Hedgehog: Triple Trouble | Action > Platformer | GG | O | Improvement | 0.4 | 30 May 2009 |
| Sonic 3 Reversed Frequencies | FraGag | Sonic the Hedgehog 3 | Action > Platformer | GEN | S | Improvement | 1.0 | 06 Jan 2010 |
| Sonic 2 Delta | Esrael | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, S, L, T | Improvement | 0.25a | 04 Apr 2015 |
| Sonic 2 Early Prototype Green Hill Zone Fix | rika_chou | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, L | Improvement | 1.2 | 07 Dec 2006 |
| Sonic 2 Early Prototype Name Fix | hiro1112 | Sonic the Hedgehog 2 | Action > Platformer | GEN | T | Improvement | 1.0 | 26 Apr 2008 |
| Sonic the Hedgehog 2 XL | Captain Bozo | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, GP | Complete | 1.0 | 12 Jul 2010 |
| Sonic 2: Sweet Relief | Ambil | Sonic the Hedgehog 2 | Action > Platformer | SMS | L, O | Improvement | 1.1 | 14 Sep 2011 |
| Strike Dash in Sonic 2 | Ravenfreak | Sonic the Hedgehog 2 | Action > Platformer | SMS | GP | Improvement | 2 | 07 Apr 2012 |
| Sonic 2 Time Attack | redhotsonic | Sonic the Hedgehog 2 | Action > Platformer | GEN | O | Improvement | 1.0 | 24 Nov 2012 |
| Homing Attack and Jumpdash in Sonic 2 | Hitaxas | Sonic the Hedgehog 2 | Action > Platformer | GEN | GP | Improvement | 1.0 | 29 Jan 2009 |
| Amy Rose in Sonic the Hedgehog 2 | E-122-Psi | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, GP | Improvement | 1.6 | 12 Apr 2015 |
| Fly with Tails in Sonic the Hedgehog 2 | JoseTB | Sonic the Hedgehog 2 | Action > Platformer | GEN | GP | Improvement | 3 | 12 Sep 2004 |
| Sonic the Hedgehog Classic Heroes | flamewing | Sonic the Hedgehog 2 | Action > Platformer | GEN | L, GP | Improvement | 0.10.008a | 01 Sep 2013 |
| Sonic 2 Dimps Edition | SOTI | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, S, L, GP | Complete | 1.5 | 30 Oct 2010 |
| Sonic 2: Sonic 3 Edition | Alriightyman | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, L, GP | Improvement | 2 | 03 Sep 2009 |
| Robotnik's Revenge | ColinC10 | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, S, L | Improvement | 1.0 | 07 Sep 2008 |
| Sonic 2 Long Version | Sonic Hachelle-Bee | Sonic the Hedgehog 2 | Action > Platformer | GEN | G, L | Improvement | 1.8.1 | 22 Oct 2004 |
| 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 |
