| Dawn of Sorrow - Playable Tressa | Muddy | Castlevania: Dawn of Sorrow | Role Playing > Action RPG | NDS | G, S, L, T, GP | Complete | 1.0 | 20 May 2022 |
| Dawn of Sorrow - Playable Yamcha | Oersted | Castlevania: Dawn of Sorrow | Role Playing > Action RPG | NDS | G, S, L, T, GP | Complete | 1.0.2 | 09 Apr 2022 |
| Dawn of Souls - Final Fantasy I Auto-Name Update | FlamePurge | Final Fantasy I & II: Dawn of Souls | Role Playing | GBA | G, T | Improvement | 0.2 | 02 Dec 2018 |
| Day In The Life | Darkanine | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP, O | Complete | 0.10.0.11b | 25 Dec 2021 |
| Daytona USA - Arcade OST | FuxOrLuck | Daytona USA 2001 | Racing | DC | S | Improvement | 1.0 | 03 Dec 2022 |
| DBZ BT2 Japan BGM Extra | injoon84 | Dragon Ball Z: Budokai Tenkachi 2 | Action > Fighting | PS2 | S, O | Improvement | 1.0 | 07 Nov 2022 |
| DBZ BT3 DLC Classic to GT | injoon84 | Dragon Ball Z: Budokai Tenkaichi 3 | Action > Fighting | PS2 | S, O | Improvement | 1.0 | 17 Nov 2021 |
| DBZ BT3 DLC MOD Classic to GT | injoon84 | Dragon Ball Z: Budokai Tenkaichi 3 | Action > Fighting | PS2 | G, T, GP, O | Addendum | 1.02a | 19 Jan 2023 |
| DBZ Budokai Japanese OP | injoon84 | Dragon Ball Z: Budokai | Action > Fighting | PS2 | S | Improvement | 1.0 | 20 Aug 2022 |
| DBZ1 NES - 3x BP Hack | Gyroballer | Dragon Ball Z: Kyoushuu! Saiya Jin | Role Playing | NES | GP | Improvement | 1.0 | 02 Feb 2019 |
| DD1 Deathblow Fix | KingMike's Translations | Deep Dungeon: Madou Senki | Role Playing | FDS | GP | Bug Fix | 1.0 | 22 Jan 2008 |
| DD2 Enemy HP Recovery Bugfix | KingMike's Translations | Deep Dungeon: Yuushi no Monshou | Role Playing | FDS | GP | Bug Fix | 1.0 | 08 Oct 2010 |
| Dead Hare | Leet Sketcher | Final Fantasy III | Role Playing | SNES | GP | Bug Fix | 1.5 | 29 Jan 2018 |
| Dead in the Air | Leet Sketcher | Final Fantasy III | Role Playing | SNES | GP | Bug Fix | 2.4 | 15 Jan 2018 |
| Dead or Alive 2 Prototype - Debug Menu | VincentNL | Dead or Alive 2 | Action > Fighting | DC | O | Improvement | 1.0 | 05 May 2022 |
| Dead party members gain EXP | AdmiralStiff | Secret of Mana | Role Playing > Action RPG | SNES | GP | Improvement | 1.0 | 10 Mar 2022 |
| Deadly Arts - Secret characters unlocked | gallaux | Deadly Arts | Action > Fighting | N64 | GP | Improvement | 1.0 | 18 Dec 2022 |
| Deadly Towers Improvement | Darkmew5 | Deadly Towers | Role Playing > Action RPG | NES | G | Improvement | 1.0 | 22 Feb 2011 |
| Deadpool | Techmoon | Ninja Gaiden | Action > Platformer | NES | G, S, L, T, GP, O | Complete | 140.0 | 08 Oct 2019 |
| Deadpool Hardcore Edition | DANGER X | Ninja Gaiden | Action > Platformer | NES | G, S, L, T, GP, O | Complete | 600 | 03 Apr 2021 |
