| Disturbing Bob | Scribbit | 2000-06-11 |
| 220 |
| Domination | ThDPro ◪ | 2011-08-20 | No reviews. | 126 |
| Don't Look Back (ver. 1.2) | Lachesis ◪ | 2016-05-11 |
| 238 |
| Doom Keep | ManofAction ◪ | 1997-12-30 |
| 138 |
| Doom Spire | Kom ◪ | 2007-09-11 |
| 314 |
| Doomsday 3 Demo | Nick "Milhouse" Midolo | 1998-08-13 | No reviews. | 93 |
| Doomsday Dream Legend 25th (ver. 1.8) | DDCecil ◪ | 2023-01-05 | No reviews. | 289 |
| Doomsday Dream Legend I: The Zordanian Chronicles (ver. 2001) | DDCecil ◪ | 2001-08-14 | No reviews. | 116 |
| Doomsday Dream Legend II: Revenge of True Evil (ver. 2001) | DDCecil ◪ | 2001-08-14 | No reviews. | 107 |
| Doomsday Dream Legend: The Zordanian Chronicles (Remake) (project dump) | DDCecil ◪ | 2012-12-21 | No reviews. | 113 |
| DOOMZX (ver. 1.4 Gamepad) | Verasev ◪ | 2018-08-26 |
| 454 |
| DooMZX Ep 2 | Verasev ◪ | 2020-01-07 | No reviews. | 149 |
| Dorkage Demo | zorkboy ◪ | 1998-08-20 |
| 88 |
| Dot Game | LogiCow ◪ | 2005-05-18 |
| 102 |
| DoZ or Die | LogiCow ◪ | 2005-12-21 |
| 138 |
| Dr. Dometone | Chris Bielak | 1998-02-16 |
| 104 |
| Dragon Breath Ch.1 Demo | DarkRaichu & Peanut7b8 | 1999-05-09 |
| 107 |
| Dragon Isle III (ver. Normal) | Quasar84 ◪ | 2003-10-06 |
| 349 |
| Dragon Slayer Demo | Game master pro ◪ | 2005-03-23 |
| 90 |
| Dragon's Eye Demo | ZZTurbo | 1997-01-18 | No reviews. | 66 |
| Dragonbreed Demo | Galladin ◪ | 2004-06-15 |
| 299 |
| Dream | Bramble ◪ | 2004-09-28 |
| 106 |
| Dream & Prophecy Demo | Arkaybie | 2000-09-03 |
| 95 |
| Dreams! Demo | Nathan Wood | 2004-01-09 | No reviews. | 87 |
| Dreamzone Chronicles Ch. I, The | ???? | 2000-07-26 |
| 87 |
| Droomazoid 2 | Vladd / NoahSoft | 2007-06-20 |
| 111 |
| Drop 1: Legend of Magic | Goshi ◪ | 2001-04-07 |
| 110 |
| Drop 2: Plasma Drop's Revenge | Goshi ◪ | 2001-04-22 |
| 89 |
| Drop 3: Glob Saga | Goshi ◪ | 2004-02-14 |
| 91 |
| Drop 4 (Project Dump) | Goshi ◪ | 2009-09-02 | No reviews. | 89 |
| Dude Wars | William Boxhall | 1999-05-12 |
| 97 |
| Duky Inc Anniversary Collection | djtiesto / Nash / Maxim / Hapoppo | 2007-02-04 | No reviews. | 130 |
| Dungeon of Dread | VOX ◪ | 2021-05-24 |
| 104 |
| Dungeons | dopefish7590 ◪ | 2006-08-28 |
| 100 |
| Dungeons of Dismay (ver. 1.13) | PenguZ ◪ | 2000-11-11 |
| 211 |
| Dungeons of Kalborn Demo | Galladin ◪ | 2002-02-24 | No reviews. | 86 |
| Dylan's Gems | Stargazer | 1997-07-21 |
| 113 |
| Dynasty | Thundercloud ◪ | 2000-08-08 | No reviews. | 150 |
| Dynasty 2 Demo | Thundercloud ◪ | 2001-02-10 | No reviews. | 86 |
