| Gimmick! More than a simple toy | lancuster | Mr. Gimmick | Action > Platformer | NES | L, T, O | Improvement | 1.0 | 19 Dec 2015 |
| Go Go! Nekketsu Hockey Club Extreme | DANGER X | Ike Ike! Nekketsu Hockey Bu: Subette Koronde Dairantou | Sports | NES | G, S, L, T, GP, O | Complete | 2.0 | 20 Jun 2013 |
| GO! Dizzy GO! HARD | Dizzy9 | Quattro Arcade | Other | NES | S, L, T, GP | Complete | 1.0 | 10 Sep 2010 |
| Go! Dizzy Go! UxROM Mapper Hack | MottZilla | Quattro Arcade | Other | NES | O | Improvement | 1.0 | 23 Jul 2008 |
| Go! Go! Cosmo Cops! Japanese language fix | Nagato | Go! Go! Cosmo Cops! | Action > Platformer | NDS | T, O | Improvement | 1.0 | 22 Nov 2012 |
| God of War | pacnsacdave | Rygar | Action > Platformer | NES | G, T, GP, O | Complete | 1.2 | 20 Feb 2014 |
| God of War 2 | pacnsacdave | Castlevania | Action > Platformer | NES | G, L, T, GP, O | Complete | 1.0 | 14 Sep 2014 |
| God Save the Queen | Almagest | Final Fantasy IX | Role Playing | PSX | G, GP | Improvement | 1.0 | 15 Apr 2014 |
| Goindol Graphics | Superjustinbros | Arkanoid | Action | NES | G | Improvement | 1.0 | 21 May 2014 |
| Golden Axe 2 - Enhanced Colors | Pyron | Golden Axe II | Action > Beat 'Em Up | GEN | G | Improvement | 1.0 | 23 Jul 2014 |
| Golden Axe Color Hack | Pyron | Golden Axe | Action > Beat 'Em Up | GEN | G | Improvement | 1.0 | 03 Jul 2014 |
| Golden Axe II - Linkuei's Color Palette Hack | Linkuei | Golden Axe II | Action > Beat 'Em Up | GEN | G, O | Improvement | 1.0 | 22 Sep 2016 |
| Golden Sun - Bass Hack | Bregalad | Golden Sun | Role Playing | GBA | S | Improvement | 1.0 | 21 Jun 2009 |
| Golden Sun 2: The Lost Age - Bass Hack | Bregalad | Golden Sun: The Lost Age | Role Playing | GBA | S | Improvement | 1.0 | 21 Jun 2009 |
| Goldeneye - Kakariko Village Multiplayer Map | Sogun | GoldenEye 007 | Action > Shooter | N64 | G, L | Improvement | 1.0 | 30 May 2013 |
| GoldenEye 007 - Mord's Custom Multiplayer Weapon Set | Mord_Fustang | GoldenEye 007 | Action > Shooter | N64 | GP | Improvement | 1.01 | 13 Jul 2019 |
| Goldeneye 007 - Solo Lvl - Base | SilverEye | GoldenEye 007 | Action > Shooter | N64 | L | Improvement | 1.0 | 19 Mar 2013 |
| Goldeneye 007 - Solo Lvl - Infiltration | Shiftclick | GoldenEye 007 | Action > Shooter | N64 | L | Improvement | 1.0 | 29 Mar 2013 |
| Goldeneye 007 - Solo Lvl - Sahara Prison | SilverEye | GoldenEye 007 | Action > Shooter | N64 | G, L | Improvement | 1.0 | 19 Mar 2013 |
| GoldenEye 007: Counter-Strike Map Pack | Monkeyface | GoldenEye 007 | Action > Shooter | N64 | G, L, T | Complete | 1.1 | 25 Aug 2013 |
