| Decopins2 (2024) | 108 | 4 |
| Decurion (2025) | 12,368 | 5 |
| Decypher (2024) | 985 | 4 |
| DED (2017) | 9,416,645 | 295 |
| Ded Inside (2019) | 1,772,296 | 14 |
| Deducto (2022) | 11,514,025 | 460 |
| Deeeep.io (2016) | 124,351,829 | 892 |
| Deemo (2013) | 27,196,323 | 4,799 |
| DEEMO -Reborn (2020) | 3,856,287 | 2,027 |
| Deemo II (2022) | 8,323,373 | 4,401 |
| Deemo Reborn (2019) | 807,562 | 1,601 |
| The Deep (1987) | 5,070 | 23 |
| The Deep (2009) | 569,145 | 184 |
| DEEP 8 (2022) | 4,244 | 121 |
| Deep Alchemy Dungeon (2026) | 1,238 | 18 |
| Deep Among the Swarm (2024) | 102,229 | 36 |
| Deep Assault (2023) | 68,250 | 8 |
| Deep Black (2012) | 2,633,315 | 594 |
| Deep Blue (1989) | 60,327,559 | 2,651 |
| Deep Blue 3D Maze in Space (2017) | 1,901 | 2 |
| Deep Blue Fantasy (2023) | 21,423 | 4 |
| Deep Blue Sea II (2011) | 4,028,957 | 118 |
| The Deep Cave (2010) | 2,786,874 | 304 |
| Deep Core (1993) | 640,926 | 114 |
| Deep Dark Space (2025) | 205 | 4 |
| Deep Dark Wrath (2024) | 509 | 5 |
| Deep Deep Deep Nightmare (2025) | 49,410 | 63 |
| Deep Despair (2020) | 79,820 | 35 |
| Deep Despair 2 (2021) | 60,332 | 39 |
| Deep Despair 3 (2024) | 2,767 | 7 |
| The Deep Diving of FloodDragon (2022) | 633 | 1 |
| Deep Diving Simulator (2019) | 453,370 | 222 |
| Deep Diving VR (2019) | 8,742 | 20 |
| Deep Duck Trouble Starring Donald Duck (1993) | 554,119 | 354 |
| Deep Dungeon II: Yuushi no Monshou (1987) | 139,261 | 100 |
| Deep Dungeon III: Yuushi he no Tabi (1988) | 55,057 | 33 |
| Deep Dungeon IV: Kuro no Youjutsushi (1990) | 50,581 | 65 |
| Deep Dungeon: Madou Senki (1986) | 14,704,080 | 902 |
| Deep Eclipse: New Space Odyssey (2014) | 1,183 | 3 |
| Deep Fear (1998) | 10,049,321 | 1,280 |
| Deep Fighter (2000) | 65,962 | 97 |
| Deep Freeze (1999) | 9,414,360 | 1,370 |
| Deep GachiGASM (2017) | 24 | 1 |
| Deep II: The Center of the Earth (1993) | 1 | 1 |
| Deep in The Fear (2024) | 119 | 2 |
| Deep in the Forest (2023) | 2,769,821 | 337 |
| Deep Labyrinth (2004) | 150,765 | 90 |
| Deep Nest (2023) | 7,681 | 34 |
| Deep Ones (2017) | 18,555,046 | 603 |
| The Deep Pinball (2009) | 17,572 | 25 |
| Deep Race: Space (2019) | 1,022 | 8 |
| Deep Realms (2011) | 16,558 | 32 |
| Deep Rock Galactic (2020) | 201,852,214 | 120,852 |
| Deep Rock Galactic: Survivor (2024) | 21,145,064 | 10,519 |
| Deep Rune (2021) | 15,729 | 57 |
| Deep Russian Depression (2024) | 4 | 1 |
| Deep Scan (1979) | 32,717 | 61 |
| Deep Sea Arena (2025) | 0 | 0 |
| Deep Sea Tycoon (2003) | 8,963 | 11 |
| Deep Sea Valentine (2021) | 1,334 | 7 |
| Deep Secret (2023) | 0 | 0 |
| Deep Sky Derelicts (2018) | 2,159,821 | 2,198 |
| Deep Sleep (2012) | 13,224,141 | 2,548 |
| Deep Sleep: Labyrinth of the Forsaken (2025) | 633 | 3 |
| Deep Space Battle Simulator (2021) | 1,465,982 | 58 |
| Deep Space Classic (2018) | 0 | 0 |
| Deep Space Dash (2016) | 3,649 | 27 |
| Deep Space Directive (2024) | 14,796 | 29 |
| Deep Space Gardening (2021) | 85,520 | 20 |
| Deep Space Outpost (2022) | 43,650 | 14 |
| Deep Space Salvage Crew VR (2022) | 947 | 4 |
| Deep Space Scoundrel (2023) | 27 | 1 |
| Deep Space Shooter (2018) | 956 | 11 |
| Deep Space Tavern (2024) | 11,298 | 103 |
| Deep Space Waifu (2017) | 3,130,368 | 427 |
