| Devil Crash Alternate Style | Pyron | Dragon's Fury | Other | GEN | G | Improvement | 1.0 | 03 Aug 2017 |
| Devil Gon | Szemigi | Tekken 3 | Action > Fighting | PSX | G, GP, O | Improvement | full | 03 Mar 2020 |
| Dezaemon SRAM Fix | NES Artifacts | Dezaemon | Game Creation | NES | O | Bug Fix | 1.0 | 28 Mar 2015 |
| Dhaos New Voice Actor | Justin3009 | Tales of the World: Narikiri Dungeon 3 | Role Playing | GBA | S | Improvement | 1.0 | 09 Sep 2014 |
| Dialogues Cachés | Tirlititi | Final Fantasy IX | Role Playing | PSX | T, O | Improvement | 1.0 | 03 Aug 2014 |
| Dick Tracy MMC5 Patch | Dracula X | Dick Tracy | Action Adventure | NES | O | Improvement | 1.3 | 18 Aug 2019 |
| Die Hard Special Edition | Magnus Nilsson | Die Hard | Action Adventure | NES | G, L, T, GP | Complete | 1.0 | 10 Dec 2014 |
| Different Boss Music for Buffy and Dread Slime | Kethinov | Secret of Mana | Role Playing > Action RPG | SNES | S | Improvement | 1.0 | 01 May 2019 |
| Difficult? Punch-Out!! | Hexadecimal Mantis | Mike Tyson's Punch Out!! | Sports | NES | G, GP, O | Improvement | 1.1 | 21 Apr 2019 |
| Dig Dug II Stage Select Hack | doomguard | Dig Dug II: Trouble in Paradise | Action | NES | O | Improvement | 1.0 | 01 Feb 2016 |
| Dig Dug Redug | DragonDePlatino | Dig Dug | Action | NES | G | Improvement | 1.0 | 10 Jun 2014 |
| DigDug(RushHack) | Saiput | Dig Dug | Action | NES | G | Improvement | 1.1 | 09 May 2020 |
| Digimon Rumble Arena - Japanese Soundtrack patch | Darkchaosblast | Digimon Rumble Arena | Action > Fighting | PSX | S | Improvement | 1.0 | 26 Jun 2015 |
| Digimon World - Giromon Jukebox Fix | Romsstar | Digimon World | Role Playing > Action RPG | PSX | T, O | Bug Fix | 1.0 | 07 Mar 2012 |
| Digimon World 2 Hardmode | DeanTendean | Digimon World 2 | Role Playing > Action RPG | PSX | L | Improvement | 3.0 | 30 Sep 2020 |
| Digimon World 2 Improvement Hack | Gledson999 | Digimon World 2 | Role Playing > Action RPG | PSX | G, L, T, GP | Improvement | 7 | 18 Jan 2021 |
| Diglett in Streets of Rage 2 | Metal64 | Streets of Rage 2 | Action > Beat 'Em Up | GEN | G, O | Improvement | 1.0 | 16 Jan 2015 |
| Dino Crisis: Control modification | Mr2 | Dino Crisis | Action Adventure | PSX | GP | Improvement | 0.3 | 22 May 2019 |
| Dinosaur Bale | Inventor | Hogan's Alley | Action > Shooter | NES | G | Complete | 1.0 | 01 Jan 2001 |
| Dio Brando in Streets of Rage 2 | Metal64 | Streets of Rage 2 | Action > Beat 'Em Up | GEN | G, S, O | Improvement | 1.0 | 09 Jul 2016 |
