| Disturbing Bob | Scribbit | |
| 169 |
| Domination | ThDPro ◪ | 2011-08-20 | No reviews. | 102 |
| Don't Look Back (ver. 1.2) | Lachesis ◪ | 2016-05-11 |
| 180 |
| Doom Keep | ManofAction ◪ | 1997-12-30 |
| 95 |
| Doom Spire | Kom ◪ | 2007-09-11 |
| 241 |
| Doomsday 3 Demo | Nick "Milhouse" Midolo | 1998-08-13 | No reviews. | 65 |
| Doomsday Dream Legend 25th (ver. 1.8) | DDCecil ◪ | 2023-01-05 | No reviews. | 190 |
| Doomsday Dream Legend I: The Zordanian Chronicles (ver. 2001) | DDCecil ◪ | 2001-08-14 | No reviews. | 83 |
| Doomsday Dream Legend II: Revenge of True Evil (ver. 2001) | DDCecil ◪ | 2001-08-14 | No reviews. | 71 |
| Doomsday Dream Legend: The Zordanian Chronicles (Remake) (project dump) | DDCecil ◪ | 2012-12-21 | No reviews. | 89 |
| DOOMZX (ver. 1.4 Gamepad) | Verasev ◪ | |
| 331 |
| DooMZX Ep 2 | Verasev ◪ | 2020-01-07 | No reviews. | 111 |
| Dorkage Demo | zorkboy ◪ | |
| 65 |
| Dot Game | LogiCow ◪ | 2005-05-18 |
| 71 |
| DoZ or Die | LogiCow ◪ | 2005-12-21 |
| 97 |
| Dr. Dometone | Chris Bielak | |
| 74 |
| Dr. Wong's House of Erotica (ver. 1.1) | Minimuffin ◪ | 2012-02-06 |
| 105 |
| Dragon Breath Ch.1 Demo | DarkRaichu & Peanut7b8 | |
| 73 |
| Dragon Isle III (ver. Normal) | Quasar84 ◪ | 2003-10-06 |
| 268 |
| Dragon Slayer Demo | Game master pro ◪ | 2005-03-23 |
| 61 |
| Dragon's Eye Demo | ZZTurbo | | No reviews. | 28 |
| Dragonbreed Demo | Galladin ◪ | 2004-06-15 |
| 249 |
| Dream | Bramble ◪ | 2004-09-28 |
| 78 |
| Dream & Prophecy Demo | Arkaybie | |
| 73 |
| Dreams! Demo | Nathan Wood | | No reviews. | 58 |
| Dreamzone Chronicles Ch. I, The | ???? | |
| 59 |
| Droomazoid 2 | Vladd / NoahSoft | 2007-06-20 |
| 69 |
| Drop 1: Legend of Magic | Goshi ◪ | |
| 80 |
| Drop 2: Plasma Drop's Revenge | Goshi ◪ | |
| 68 |
| Drop 3: Glob Saga | Goshi ◪ | 2004-02-14 |
| 67 |
| Drop 4 (Project Dump) | Goshi ◪ | 2009-09-02 | No reviews. | 71 |
| Dude Wars | William Boxhall | |
| 70 |
| Duky Inc Anniversary Collection | djtiesto / Nash / Maxim / Hapoppo | 2007-02-04 | No reviews. | 89 |
| Dungeon of Dread | VOX ◪ | 2021-05-24 |
| 63 |
| Dungeons | dopefish7590 ◪ | 2006-08-28 |
| 78 |
| Dungeons of Dismay (ver. 1.13) | PenguZ ◪ | 2000-11-11 |
| 172 |
| Dungeons of Kalborn Demo | Galladin ◪ | 2002-02-24 | No reviews. | 63 |
| Dylan's Gems | Stargazer | 1997-07-21 |
| 82 |
| Dynasty | Thundercloud ◪ | | No reviews. | 116 |
| Dynasty 2 Demo | Thundercloud ◪ | 2001-02-10 | No reviews. | 63 |
