| AJ Blaster Master | AlanJacobs | Blaster Master | Action Adventure | NES | G, L | Complete | 1.1 | 12 Feb 2014 |
| Alex Kidd - Fall Of Radaxian | TheSegaGuru | Alex Kidd in Miracle World | Action > Platformer | SMS | G, L, T, O | Complete | 1.01 | 28 Jul 2016 |
| Alex Kidd in Radaxian Rumble | Alianger | Alex Kidd in Miracle World | Action > Platformer | SMS | G, S, L, T, GP | Complete | 1.03d | 21 Oct 2015 |
| ALF Escapes! | pacnsacdave | The Blues Brothers | Action > Platformer | NES | G, T | Complete | 1.0 | 06 Mar 2016 |
| Alisa's Quest | Gabriel Dinu | Super Mario Bros. | Action > Platformer | NES | G, L, T | Complete | 1.0a | 18 Sep 2020 |
| Alisa’s Quest + | Gabriel Dinu | Super Mario Bros. | Action > Platformer | NES | G, S, L, T | Complete | 3.0 | 30 Apr 2021 |
| ALL DAY NIPPON | POLARIA POYON | Super Mario Bros. | Action > Platformer | NES | G, S, L, T, GP | Complete | 1.1 | 03 Sep 2022 |
| All Elite Wrestling | pacnsacdave | Pro Wrestling | Sports | NES | G, T, O | Complete | 1.0 | 17 Sep 2019 |
| All Elite Wrestling 2020 | pacnsacdave | Pro Wrestling | Sports | NES | G, S, T, GP, O | Complete | 1.0 | 26 Apr 2020 |
| All Night Nippon 2 Super Mario Bros. | teeporage777 | Super Mario Bros. | Action > Platformer | NES | G, L | Complete | 1.0 | 16 Dec 2017 |
| Alleyway DX | MojoDodo | Alleyway | Puzzle | GB | G, L, GP, O | Complete | 1.0 | 15 Jan 2022 |
| 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 |
| 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 |
| Amogus: Sus Version | susieQ | Pokémon: Gold Version | Role Playing | GB | G, S, T | Complete | 1.0 | 06 Mar 2021 |
| Among Us (Mrs. Pac-Man Hack, with Co-Op!) | Supergamerguy | Ms. Pac-Man (Tengen) | Action | NES | G, T | Complete | 1.1 | 19 Oct 2020 |
| 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 |
| An Apeeling Sonic Hack | VAdaPEGA | Sonic the Hedgehog | Action > Platformer | GEN | G, S, L, T, GP, O | Complete | 1.0 | 24 Sep 2015 |
| An SMW Central Production | SMW Central | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP, O | Complete | 1.6 | 31 Dec 2010 |
| Ancient Chozo | Albert V. | Super Metroid | Action Adventure | SNES | G, S, L, T, GP | Complete | 1.1.5 | 09 Feb 2020 |
| Ancient Shroomba | Yakibomb | Super Mario RPG: Legend of the Seven Stars | Role Playing | SNES | L, T, GP, O | Complete | 1.2 | 31 Oct 2018 |
