| Adding Spells to Spell Lists Patch | Phoenix Hacks | Final Fantasy II | Role Playing | SNES | GP | Improvement | 1.0 | 09 Sep 2008 |
| Adjust Enemy Difficulty | Kethinov | Secret of Mana | Role Playing > Action RPG | SNES | GP | Improvement | 2.1 | 01 Jan 2020 |
| Adoventoro Tcheco | MacBee | Kero Kero Keroppi no Daibouken 2: Donuts Ike ha Oosawagi! | Action > Platformer | NES | G, L, T | Complete | 1.0 | 21 Jul 2007 |
| Advance Wars 2 - Defence Display Patch | Xenesis | Advance Wars 2: Black Hole Rising | Strategy > Turn Based | GBA | O | Improvement | 1.0 | 14 Sep 2011 |
| Advance Wars: Days of Ruin - Japanese Language Enabler | Xenesis | Advance Wars: Days of Ruin | Strategy | NDS | T, O | Improvement | 1.0 | 15 Nov 2012 |
| Adventure Island 3 - Googie Edition | Googie | Adventure Island III | Action > Platformer | NES | G, L, T | Complete | 1.0 | 14 Apr 2017 |
| Adventure Island 3 Danger's Edition | DANGER X | Adventure Island III | Action > Platformer | NES | L, T, GP | Complete | 1.1 | 21 Jun 2015 |
| Adventure Island 3: The Lost Isles | Aether Knight | Adventure Island III | Action > Platformer | NES | L | Complete | 1.0 | 23 Mar 2008 |
| Adventure Island Abridged | Nesrocks | Adventure Island | Action > Platformer | NES | GP, O | Improvement | 1.2 | 14 Mar 2017 |
| Adventure Island CNROM to MMC3 Hack | infidelity | Adventure Island | Action > Platformer | NES | O | Improvement | 1.0 | 26 Nov 2013 |
| Adventures in the Magic Kingdom - Sora Edition | pacnsacdave | Disney Adventures in the Magic Kingdom | Adventure | NES | G | Improvement | 1.0 | 27 Apr 2015 |
| Adventures in the Magic Kingdom - With Mickey | Fantendo | Disney Adventures in the Magic Kingdom | Adventure | NES | G | Improvement | 1.0 | 13 Apr 2013 |
| Adventures of Lolo - MMC1 to MMC3 | infidelity | Adventures of Lolo | Puzzle | NES | O | Improvement | 1.0 | 26 Nov 2013 |
| Adventures of lolo 1x3 | Jp32 | Adventures of Lolo | Puzzle | NES | G, T | Improvement | 1.5 | 26 Feb 2014 |
| Adventures of Lolo Remix | Jp32 | Adventures of Lolo 2 | Puzzle | NES | L | Complete | 2.0 | 11 Jul 2007 |
| Adventures of Lolo: Mystical Forest | DragonEye Studios | Adventures of Lolo | Puzzle | NES | G, S, L, T | Complete | 0.4 | 22 Jul 2002 |
| Adventures of Mana Title Screen For Final Fantasy Adventure | Da_GPer | Final Fantasy Adventure | Role Playing > Action RPG | GB | G | Improvement | 1.0 | 05 Jul 2019 |
| AFF Challenge | L.Soft Hacks | Mega Man | Action > Platformer | NES | G, S, L, T, GP | Complete | 1.5 | 12 Jun 2007 |
| After Lolo 2 | Googie | Banana | Puzzle | NES | G, T | Improvement | 1.0 | 19 Oct 2008 |
| After World 8 | insectduel | Super Mario Bros. | Action > Platformer | NES | G, L, T | Complete | 1.0 | 11 Feb 2006 |
