| Delta Force: Xtreme (2005) | 384,253 | 1,057 |
| Delta Force: Xtreme 2 (2009) | 687,050 | 563 |
| Delta Horizon (2018) | 5,694 | 2 |
| Delta Kayak (2024) | 1,430 | 10 |
| Delta V (1994) | 630,554 | 107 |
| Delta Warp (2000) | 8,199 | 17 |
| Delta Zero (2021) | 37,978 | 18 |
| DeltaPhysics (2024) | 36 | 3 |
| Deltaplan Simulator (2017) | 9,925 | 23 |
| Deltarune (2018) | 1,599,918,239 | 107,445 |
| Deltatile (2023) | 45 | 1 |
| DELTAZEAL (2015) | 30,155 | 23 |
| Deltazone (2022) | 2,532 | 15 |
| Deluded Mind (2018) | 3,512,828 | 401 |
| Deluge: Sermon for the Dead (2023) | 2,009 | 46 |
| Deluge: Threnody of Crashing Waves (2022) | 6,106 | 87 |
| The Delusions of Von Sottendorff and his Square Mind (2015) | 4,197 | 3 |
| Deluxe Galaga 2.x (1994) | 607 | 4 |
| Deluxe Ski Jump (2000) | 2,384,492 | 106 |
| Deluxe Ski Jump 4 (2011) | 21,340,939 | 4,738 |
| Delve Deeper (2010) | 117,159 | 75 |
| Delve Into Pawssion (2023) | 319 | 2 |
| Delven (2025) | 5,805 | 5 |
| Delver (2013) | 4,817,940 | 1,648 |
| DeMagnete VR (2019) | 18,578 | 82 |
| Dementium II (2010) | 8,063,041 | 1,454 |
| Dementium: The Ward (2007) | 2,898,704 | 1,335 |
| Demeo (2021) | 5,906,612 | 3,130 |
| Demetrios - The BIG Cynical Adventure (2017) | 282,637 | 905 |
| Demigod (2009) | 6,402,179 | 760 |
| DemiKids: Dark Version (2003) | 102,743 | 131 |
| DemiKids: Light Version (2003) | 51,576 | 56 |
| DemiKids: Light/Dark Version (2002) | 125,510 | 97 |
| DeMiriam Magic: Blueprint of Miracle (2024) | 0 | 0 |
| Demise of Nations (2017) | 44,864 | 55 |
| Demise: Rise of the Ku'tan (1999) | 32,420 | 30 |
| Demiurges (2024) | 484,149 | 102 |
| Democracy (2005) | 19,537,465 | 2,117 |
| Democracy 2 (2012) | 282,462 | 69 |
| Democracy 3 (2013) | 16,024,137 | 1,917 |
| Democracy 4 (2022) | 13,284,244 | 1,180 |
| Democratic Socialism Simulator (2020) | 190,454 | 76 |
| Demolish & Build 3 (2024) | 1,294,842 | 543 |
| Demolish & Build Company (2017) | 9,407,838 | 578 |
| Demolition Company (2010) | 9,698,166 | 381 |
| Demolition Crew (2019) | 3,342,189 | 53 |
| Demolition Derby (1984) | 45,518,613 | 3,127 |
| Demolition Derby: Crash Racing (2015) | 287,803 | 147 |
| Demolition Girl (2005) | 3,078,128 | 244 |
| Demolition Inc. (2011) | 696,318 | 147 |
| Demolition Man (1994) | 301,688 | 138 |
| Demolition Man (1995) | 1,272,738 | 524 |
| Demolition Racer (1999) | 2,926,288 | 607 |
| Demolition Racer: No Exit (2000) | 131,096 | 175 |
| Demolition Robots KK (2021) | 426 | 17 |
| Demon (1982) | 183,502 | 27 |
| The Demon - Nicolas Eymerich Inquisitor Audiogame (2020) | 453 | 1 |
| Demon Attack (1982) | 748,061 | 436 |
| Demon Blue (1992) | 31,770 | 31 |
| Demon Chaos (2005) | 488,677 | 124 |
| The Demon Crystal (1984) | 71,771 | 99 |
| DEMON DARK I (2023) | 2,535 | 5 |
| Demon Driver: Time to Burn Some Rubber (2003) | 253 | 3 |
| Demon from the Darkside (1986) | 855 | 9 |
| Demon Front (2002) | 4,078,054 | 572 |
| Demon Gaze (2013) | 754,797 | 267 |
| Demon Gaze EXTRA (2021) | 167,395 | 486 |
| Demon Gaze II (2016) | 663,049 | 1,207 |
| Demon Hunter 2: New Chapter (2015) | 189,622 | 391 |
| Demon Hunter 3: Revelation (2016) | 454,766 | 389 |
| Demon Hunter 4: Riddles of Light (2018) | 183,279 | 318 |
| Demon Hunter 5: Ascendance (2018) | 247,011 | 483 |
| Demon Hunter: Chronicles from Beyond (2014) | 644,459 | 390 |
| Demon Hunting Diary (2025) | 0 | 0 |
| Demon Invasion: Endless (2023) | 0 | 0 |
