| Among Us : The Tragedy of Ryohyukan | Garrett Gilchrist | Family Basic V3 | Game Creation | NES | G, T, O | Improvement | 2 | 13 Sep 2022 |
| Among Us - Sus of Sorrow | Oersted | Castlevania: Dawn of Sorrow | Role Playing > Action RPG | NDS | G, S, L, T, GP, O | Complete | 2.0 | 24 Sep 2022 |
| Among Us (Mrs. Pac-Man Hack, with Co-Op!) | Supergamerguy | Ms. Pac-Man (Tengen) | Action | NES | G, T | Complete | 1.1 | 19 Oct 2020 |
| Amogus: Sus Version | susieQ | Pokémon: Gold Version | Role Playing | GB | G, S, T | Complete | 1.0 | 06 Mar 2021 |
| American Gladiators MMC1 to MMC3 | BZK | American Gladiators | Sports | NES | O | Improvement | 001 | 03 Nov 2016 |
| Amazing Penguin DX | marc_max | Amazing Penguin | Action | GB | G | Improvement | 1.0 | 03 May 2022 |
| 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 |
| Alundra Enemy Stat Restoration | Supper | Alundra | Action Adventure | PSX | GP | Improvement | v1 | 06 Mar 2022 |
| 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 |
| Alternate Invincibility Tune | KCEXE | Sonic Advance | Action | GBA | S | Improvement | 1.0 | 18 Apr 2022 |
| 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 |
| Alphabetical Lore | SilentEnigma | Final Fantasy III | Role Playing | SNES | T | Improvement | 1.0 | 29 Aug 2022 |
| ALPHA SPHERE: Director's Cut | Daizo Dee Von | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP, O | Complete | 1.0.2 | 30 Jul 2021 |
| ALPHA SPHERE Zero: Rotten Brains | Daizo Dee Von | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP, O | Complete | 1.0.1 | 24 Oct 2022 |
