| Dynasty 2 Demo | Thundercloud ◪ | 2001-02-10 | No reviews. | 67 |
| Dynasty | Thundercloud ◪ | | No reviews. | 120 |
| Dylan's Gems | Stargazer | 1997-07-21 |
| 87 |
| Dungeons of Kalborn Demo | Galladin ◪ | 2002-02-24 | No reviews. | 67 |
| Dungeons of Dismay (ver. 1.13) | PenguZ ◪ | 2000-11-11 |
| 179 |
| Dungeons | dopefish7590 ◪ | 2006-08-28 |
| 82 |
| Dungeon of Dread | VOX ◪ | 2021-05-24 |
| 70 |
| Duky Inc Anniversary Collection | djtiesto / Nash / Maxim / Hapoppo | 2007-02-04 | No reviews. | 98 |
| Dude Wars | William Boxhall | |
| 76 |
| Drop 4 (Project Dump) | Goshi ◪ | 2009-09-02 | No reviews. | 74 |
| Drop 3: Glob Saga | Goshi ◪ | 2004-02-14 |
| 72 |
| Drop 2: Plasma Drop's Revenge | Goshi ◪ | |
| 72 |
| Drop 1: Legend of Magic | Goshi ◪ | |
| 86 |
| Droomazoid 2 | Vladd / NoahSoft | 2007-06-20 |
| 75 |
| Dreamzone Chronicles Ch. I, The | ???? | |
| 64 |
| Dreams! Demo | Nathan Wood | | No reviews. | 63 |
| Dream & Prophecy Demo | Arkaybie | |
| 76 |
| Dream | Bramble ◪ | 2004-09-28 |
| 82 |
| Dragonbreed Demo | Galladin ◪ | 2004-06-15 |
| 276 |
| Dragon's Eye Demo | ZZTurbo | | No reviews. | 36 |
| Dragon Slayer Demo | Game master pro ◪ | 2005-03-23 |
| 64 |
| Dragon Isle III (ver. Normal) | Quasar84 ◪ | 2003-10-06 |
| 292 |
| Dragon Breath Ch.1 Demo | DarkRaichu & Peanut7b8 | |
| 80 |
| Dr. Wong's House of Erotica (ver. 1.1) | Minimuffin ◪ | 2012-02-06 |
| 108 |
| Dr. Dometone | Chris Bielak | |
| 79 |
| DoZ or Die | LogiCow ◪ | 2005-12-21 |
| 104 |
| Dot Game | LogiCow ◪ | 2005-05-18 |
| 78 |
| Dorkage Demo | zorkboy ◪ | |
| 70 |
| DooMZX Ep 2 | Verasev ◪ | 2020-01-07 | No reviews. | 117 |
| DOOMZX (ver. 1.4 Gamepad) | Verasev ◪ | |
| 367 |
| Doomsday Dream Legend: The Zordanian Chronicles (Remake) (project dump) | DDCecil ◪ | 2012-12-21 | No reviews. | 97 |
| Doomsday Dream Legend II: Revenge of True Evil (ver. 2001) | DDCecil ◪ | 2001-08-14 | No reviews. | 80 |
| Doomsday Dream Legend I: The Zordanian Chronicles (ver. 2001) | DDCecil ◪ | 2001-08-14 | No reviews. | 91 |
| Doomsday Dream Legend 25th (ver. 1.8) | DDCecil ◪ | 2023-01-05 | No reviews. | 236 |
| Doomsday 3 Demo | Nick "Milhouse" Midolo | 1998-08-13 | No reviews. | 70 |
| Doom Spire | Kom ◪ | 2007-09-11 |
| 267 |
| Doom Keep | ManofAction ◪ | 1997-12-30 |
| 101 |
| Don't Look Back (ver. 1.2) | Lachesis ◪ | 2016-05-11 |
| 196 |
| Domination | ThDPro ◪ | 2011-08-20 | No reviews. | 106 |
| Disturbing Bob | Scribbit | |
| 190 |
| Disliked Things Shootout (v.103) | merder ◪ | 2006-09-17 |
| 75 |
| Disaster, The | Sidewinder ◪ | 2004-02-24 | No reviews. | 86 |
| Diplomacy | STRIKESOFT | 1996-01-19 |
| 88 |
| Difpaza | BiGBuBBa ◪ | | No reviews. | 95 |
| Diet Life of Mr. ASCII | weasel ◪ | 2001-06-02 |
| 107 |
| Diamond Star Demo | Selan p ◪ | 2000-10-13 |
| 87 |
| Dialog Adventure Demo | Tessbot ◪ | |
| 75 |
| Diablo II | Bugspray | 1998-04-11 |
| 90 |
| Devil's Mind dump | Galladin ◪ | 2016-04-06 | No reviews. | 56 |
| Devil Tower | Nytar ◪ | 2002-12-20 | No reviews. | 100 |
