| Akumajou Densetsu - Localization / Title Screen Redone | ShadowOne333 | Castlevania III: Dracula’s Curse | Action > Platformer | NES | G, T | Improvement | 7.1 | 24 Jul 2016 |
| Akumajou Dracula X: Gekka no Yasoukyoku - HardType | Draculax350 | Castlevania: Symphony of the Night | Role Playing > Action RPG | PSX | GP | Improvement | 4.8 | 09 Sep 2021 |
| Akumajou Dracula XX - Visual Tweaks | MetHy | Castlevania: Dracula X | Action > Platformer | SNES | G | Improvement | 1.1 | 16 May 2022 |
| Aladdin (BUTTON FIX + improvement) | the jabu | Aladdin | Action > Platformer | NES | GP | Improvement | 2.1 | 22 Oct 2014 |
| Aladdin 4 Music Replacement | Gigasoft | Aladdin | Action > Platformer | NES | S | Improvement | 1.1 | 21 Jul 2014 |
| Aladdin Hummer Team Deluxe | Mario Bendor | Aladdin | Action > Platformer | NES | G, S, GP | Improvement | 2.1 | 07 Dec 2020 |
| Alcon Special | DUSTINODELLOFFICIAL | Slap Fight MD | Action > Shooter | GEN | G, T, O | Improvement | 1.0 | 20 Oct 2018 |
| 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 Miracle World - burger and more | micky | Alex Kidd in Miracle World | Action > Platformer | SMS | G | Improvement | 1.0 | 03 Aug 2017 |
| Alex Kidd in Miracle World - reverse controls | Calindro | Alex Kidd in Miracle World | Action > Platformer | SMS | GP | Improvement | 1.0 | 23 Oct 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 |
| Alice de Climber | DASTARD | Ice Climber | Action > Platformer | NES | G, T | Improvement | 1.0 | 01 Sep 2007 |
| Alien 3 - Kinoppi version | Vikfield | Alien 3 | Action > Platformer | GEN | T, GP | Improvement | 1.0 | 04 Nov 2018 |
| Alien 3 - Survivor mod | Vikfield | Alien 3 | Action > Platformer | GEN | T, GP | Improvement | 1.0 | 26 Aug 2018 |
| Alien 3 - Vision Hack | Guyver (X.B.M.) | Alien 3 | Action | NES | GP | Improvement | 1.0 | 12 Jul 2016 |
| Alien 3 Easy | chronix | Alien 3 | Action | NES | GP | Improvement | 1.0 | 23 Jul 2022 |
| Alien 3 Plus | the jabu | Alien 3 | Action | NES | G, T, GP | Improvement | 1.0 | 20 Dec 2015 |
| Alien 3 SRAM | BillyTime! Games | Alien 3 | Action > Platformer | GEN | O | Improvement | 1.1 | 27 Apr 2021 |
| Alien 3: Assembly Cut | advancedpillow | Alien 3 | Action > Platformer | SNES | GP, O | Improvement | 1.0 | 22 May 2019 |
