| Ducks Can Drive (2023) | 6,915 | 33 |
| Ducks in Space (2019) | 149,696 | 29 |
| DUCKSIDE (2024) | 4,190,750 | 544 |
| DuckTales (1989) | 130,103,853 | 8,822 |
| DuckTales 2 (1993) | 8,716,077 | 3,531 |
| DuckTales: Remastered (2013) | 243,355,584 | 12,506 |
| DuckTales: Scrooge's Loot (2013) | 284,052 | 34 |
| DuckTales: The Quest for Gold (1990) | 519,125 | 113 |
| Duckthing's Rolling Rooms (2024) | 124 | 3 |
| Ducky Runnerz (2024) | 1,827 | 8 |
| Ducky's Delivery Service (2023) | 4,378 | 35 |
| Duct Tape Simulator (2023) | 0 | 0 |
| Dude, Stop (2018) | 124,177,821 | 1,426 |
| Dude, Where Is My Beer? (2020) | 9,606 | 56 |
| Dudelings: Arcade Sportsball (2024) | 22,323 | 1 |
| Dudes with Attitude (1990) | 63,572 | 149 |
| Dudley and the Mysterious Tower (2020) | 12,822 | 22 |
| Due Process (2020) | 13,327,029 | 712 |
| Duel Corp. (2023) | 147,258 | 299 |
| Duel Girl (2019) | 0 | 0 |
| Duel Love (2008) | 86,144 | 19 |
| Duel Masters Kaijudo Showdown (2004) | 37,374 | 257 |
| Duel Masters Nettou! Battle Arena (2004) | 191,950 | 147 |
| Duel Masters Shadow of the Code (2005) | 30,701 | 194 |
| Duel Masters: Sempai Legends (2004) | 93,357 | 133 |
| Duel on Board (2021) | 83,342 | 35 |
| The Duel: Test Drive II (1989) | 7,044,284 | 946 |
| Duel: The Art of Combat (2009) | 8 | 1 |
| DUELANT (2025) | 0 | 0 |
| DUELEUM (2017) | 0 | 0 |
| Dueling Network (2006) | 31,470,521 | 4,598 |
| Duelists of Eden (2024) | 248,881 | 232 |
| Duelite (2024) | 2,077 | 6 |
| Duels of Fortune (2023) | 31,821 | 35 |
| DuelVox: Max Quality (2021) | 12,842 | 5 |
| Duelyst (2016) | 6,377,256 | 6,964 |
| Duet (2013) | 768,906 | 315 |
| Duet Night Abyss (2025) | 3,955,362 | 1,968 |
| Duke Dashington Remastered (2017) | 61,428 | 100 |
| Duke Grabowski: Mighty Swashbuckler! (2016) | 47,522 | 86 |
| Duke Nukem (1991) | 12,923,796 | 5,491 |
| Duke Nukem 3D (1996) | 103,506,995 | 32,383 |
| Duke Nukem 64 (1997) | 2,358,608 | 1,346 |
| Duke Nukem Advance (2002) | 376,391 | 373 |
| Duke Nukem Forever (2011) | 157,650,755 | 18,984 |
| Duke Nukem II (1993) | 2,821,180 | 1,224 |
| Duke Nukem Manhattan Project (2010) | 207,877 | 169 |
| Duke Nukem Mobile (2004) | 16,317 | 49 |
| Duke Nukem: Critical Mass (2011) | 365,154 | 146 |
| Duke Nukem: Land of the Babes (2000) | 1,644,679 | 673 |
| Duke Nukem: Manhattan Project (2002) | 2,193,948 | 1,651 |
| Duke Nukem: Time to Kill (1998) | 3,175,455 | 1,652 |
| Duke Nukem: Total Meltdown (1997) | 943,895 | 490 |
| Duke Nukem: Zero Hour (1999) | 2,038,024 | 885 |
| Duke of Defense (2019) | 53,089 | 62 |
| Duke: Nuclear Winter (1997) | 43,354 | 231 |
| The Dukes of Hazzard (1984) | 15,875,124 | 1,860 |
| The Dukes of Hazzard II: Daisy Dukes It Out (2000) | 80,074 | 49 |
| The Dukes of Hazzard: Racing for Home (1999) | 279,675 | 149 |
| The Dukes of Hazzard: Return of the General Lee (2004) | 1,750,839 | 214 |
| Duline (2022) | 23 | 1 |
| Dull Grey (2021) | 96,421 | 142 |
| Dumb Little Creatures (2019) | 643 | 5 |
| Dumb Ways to Die 2: The Games (2014) | 348,464,255 | 1,710 |
| Dumball Rush (2024) | 25 | 3 |
| DumbBots: Hello World (2020) | 0 | 0 |
| Dumbino (2025) | 1,886 | 5 |
| Dummy Dungeon (2024) | 77 | 5 |
| Dummy Pirates: Ocean Tales (2023) | 22 | 3 |
| Dump of the Dead X (2025) | 0 | 0 |
| Dun Darach (1985) | 18,757 | 14 |
| Dunamis 15 (2011) | 88,715 | 137 |
| Dunar: Dimension Two (2026) | 0 | 0 |
| Dunchess (2026) | 0 | 0 |
| Duncrush (2025) | 0 | 0 |
