| Ancient Chozo | Albert V. | Super Metroid | Action Adventure | SNES | G, S, L, T, GP | Complete | 1.1.5 | 09 Feb 2020 |
| Anchors Aweigh! | Lenophis, Imzogelmo | Final Fantasy III | Role Playing | SNES | GP | Bug Fix | 1.1b | 19 Jan 2010 |
| Anchor Feet Begone | ReservedJV | Kirby's Dream Land 3 | Action > Platformer | SNES | GP | Improvement | 1.0 | 13 Dec 2016 |
| An SMW Central Production | SMW Central | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP, O | Complete | 1.6 | 31 Dec 2010 |
| An Apeeling Sonic Hack | VAdaPEGA | Sonic the Hedgehog | Action > Platformer | GEN | G, S, L, T, GP, O | Complete | 1.0 | 24 Sep 2015 |
| 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 |
| Amy Rose in Sonic the Hedgehog | E-122-Psi | Sonic the Hedgehog | Action > Platformer | GEN | G, GP | Improvement | 2.1 | 01 Apr 2015 |
| Among us Arcade! | real retro kid knuckles | Nuts & Milk | Action | NES | G, S, L, T, GP | Improvement | 1.0 | 06 Dec 2020 |
| Among Us (Mrs. Pac-Man Hack, with Co-Op!) | Supergamerguy | Ms. Pac-Man (Tengen) | Action | NES | G, T | Complete | 1.1 | 19 Oct 2020 |
| American Gladiators MMC1 to MMC3 | BZK | American Gladiators | Sports | NES | O | Improvement | 001 | 03 Nov 2016 |
| Amagami Mario Kart | Tsukasa Plays Games | Mario Kart 64 | Racing | N64 | O | Improvement | 1.0 | 14 Apr 2020 |
| Always Sprint | HatZen08 | Final Fantasy III | Role Playing | SNES | GP | Improvement | 1.0 | 12 Mar 2013 |
| Always an Esper | Lenophis | Final Fantasy III | Role Playing | SNES | GP | Improvement | 1.1 | 10 Jun 2007 |
| Alucard Sprite Patch | Wilver | Castlevania III: Dracula’s Curse | Action > Platformer | NES | G | Improvement | 1.0 | 25 May 2017 |
| Alternative Fight Music | ajkmetiuk | Nightshade | Action Adventure | NES | S | Improvement | 1.0 | 16 Dec 2020 |
| Alternate Karon | Kethinov | Secret of Mana | Role Playing > Action RPG | SNES | G | Improvement | 1.1 | 12 Nov 2019 |
| Altered Space - Wave channel fix | DevEd | Altered Space: A 3-D Alien Adventure | Puzzle | GB | S | Improvement | 1.0 | 01 Mar 2018 |
| Altered Beast with Arcade Voice Samples | Linkuei | Altered Beast | Action > Beat 'Em Up | GEN | S | Improvement | 1.0 | 21 Jan 2016 |
| Altered Beast - Alternate Style | Pyron | Altered Beast | Action > Beat 'Em Up | GEN | G | Improvement | 2.0 | 15 Nov 2015 |
| Alleyway Highscore Save | Alex-iG | Alleyway | Puzzle | GB | O | Improvement | 1.0 | 11 Oct 2019 |
