| Ultimate Gargoyles | BillyTime! Games | Gargoyles | Action > Platformer | GEN | GP, O | Improvement | 1.0 | 27 Jul 2021 |
| Gargoyle's Quest - Text Restoration | SCD | Gargoyle's Quest: Ghosts’N Goblins | Role Playing > Action RPG | GB | T | Improvement | Final | 28 Mar 2021 |
| Gargoyle's Quest II - Demonic Restoration | K.K. Drunkinski | Gargoyle's Quest II | Role Playing > Action RPG | NES | T | Improvement | 1.0 | 10 Oct 2017 |
| Gargoyle's Quest 2 - Ghosts 'N Goblins Font | Googie | Gargoyle's Quest II | Role Playing > Action RPG | NES | G | Improvement | 1.0 | 20 Sep 2020 |
| Jump Speed Patch | DocStrangelove | Gargoyle's Quest II | Role Playing > Action RPG | NES | GP | Improvement | 1.0 | 11 Dec 2020 |
| Garfield - Caught In The Act Password SRAM | BillyTime! Games | Garfield - Caught In The Act | Action > Platformer | GEN | O | Improvement | 1.0 | 08 Sep 2021 |
| Ganbare Goemon Gaiden - credits fix | rainponcho | Ganbare Goemon Gaiden: Kieta Ougon Kiseru | Role Playing | NES | G | Bug Fix | 0.1 | 18 Jun 2017 |
| Time Pilot 95 Unlocked in Ganbare Goemon 4 | Hacker65xx | Ganbare Goemon 4 - Boku ga Dancer ni Natta Riyuu - Kirakira Douchuu | Action > Platformer | SNES | O | Improvement | 1.0 | 09 May 2022 |
| Game Party - Mario Party | Proveaux | Game Party | Other | NES | G, T | Complete | 1.0 | 11 Sep 2015 |
| Game Party Fixes | Proveaux | Game Party | Other | NES | G | Bug Fix | 1.0 | 11 Sep 2015 |
| Gameboy Wars 3 - Multiple Path Fix | Master Knight DH | Game Boy Wars 3 | Strategy | GB | O | Improvement | 1.1 | 04 Jul 2017 |
| Gameboy Wars 3 Focus hack | Master Knight DH | Game Boy Wars 3 | Strategy | GB | GP | Improvement | 1.0 | 07 Jun 2011 |
| Game Boy Wars 3 PAL-style balancing | Master Knight DH | Game Boy Wars 3 | Strategy | GB | GP | Improvement | 2.0 | 06 May 2022 |
| LCD Ghosting Removal Patch | Shugo | Game & Watch Gallery 4 | Action | GBA | G | Improvement | 1.0 | 22 Sep 2014 |
| Galaxy 5000 (U) (2P Hack) | Shredder | Galaxy 5000: Racing in the 51st Century | Racing | NES | O | Improvement | 1.0 | 23 May 2015 |
| Galaxian: Liquid mod | Lomax | Galaxian | Action > Shooter | NES | GP | Improvement | 0.1 | 05 Jul 2018 |
| Galaxian Enhanced | Timelord | Galaxian | Action > Shooter | NES | G, T, GP | Improvement | 1.0 | 02 Jan 2016 |
| Galaxian Arcade | 125scratch | Galaxian | Action > Shooter | NES | G | Improvement | 1.0 | 20 May 2019 |
| Galaga - Title Mod | Makimura Manufacturing | Galaga | Action > Shooter | NES | G, O | Improvement | 1.0 | 07 Jul 2012 |
| Galaga - Space Invaders Hack | Datchy | Galaga | Action > Shooter | NES | G | Improvement | 1.0 | 15 Jun 2021 |
