| DimensionSeven | Developer | |
| Dimidroll | Developer | |
| Dimilix Spiderweb | Developer | |
| Dimitri | Developer | |
| Dimitri Kozma | Developer | |
| Dimitri Lozovoy | Developer | |
| Dimitrouille | Developer | |
| DimleTeam | Developer | |
| Dimofan | Developer | |
| DimosAdonis | Developer | |
| Dimple Entertainment | DeveloperPublisher | |
| Dimps | DeveloperPublisher | |
| Dimps Corporation | Developer | |
| DinaJam | Developer | |
| Dinamic | DeveloperPublisher | |
| Dinamic Multimedia | DeveloperPublisher | |
| Dinamic Software | DeveloperPublisher | |
| Dinar87 | Developer | |
| Dinc Interactive | Developer | |
| Dinchen | Developer | |
| Dindi | Developer | |
| DinethD | Developer | |
| Dingo Games | DeveloperPublisher | |
| Dingo Inc. | Developer | |
| Dini & Dini Productions | Developer | |
| Dinkleberg | Developer | |
| Dinnae Ken Games | Developer | |
| Dino Collective | Developer | |
| Dino Dini | Developer | |
| Dino0040 | Developer | |
| Dinobonoide | Developer | |
| DinoboxStudios | Developer | |
| Dinobyte Studios | Developer | |
| Dinofarm Games | Developer | |
| Dinonuage | Developer | |
| Dinosaur Bytes | Developer | |
| Dinosaur Bytes Studio | Developer | |
| Dinosaur Polo Club | Developer | |
| DinosaurAfterlife | Developer | |
| Diogo Costa | Developer | |
| Diogo Frazão | Developer | |
| DiogoLarre | Developer | |
| DiogoSouza18 | Developer | |
| Dioinecail | Developer | |
| Diokatsu | Developer | |
| Dionous Games | Developer | |
| Diplodocus Games | DeveloperPublisher | |
| Diptoman | Developer | |
| Dipzza | Developer | |
| Dire Wolf Digital | DeveloperPublisher | |
| Direct Action | Developer | |
| Direct Action Games | Developer | |
| Direct2Drive | Publisher | |
| DirectDoggo | Developer | |
| Directed by- enfrnz | Developer | |
| DirectingZeus | Developer | |
| Director | Developer | |
| Direlight | DeveloperPublisher | |
| DirigoGames | Developer | |
| Dirk Olivier | Developer | |
| Dirk Plate | Developer | |
| Dirk the Red Panda | Developer | |
| Dirtbike and Pinwheel | Developer | |
| Dirty Distractions Done Dirt Cheap | Developer | |
| DirtyBug | Developer | |
| DirtyLambStudio | Developer | |
| DisasterSquad | Developer | |
| DiscMacabre | Developer | |
| Disco Yaya Studios | Developer | |
| Discordula | Developer | |
| Discount Devils | Developer | |
| Discovery | DeveloperPublisher | |
| Discovery Channel | Publisher | |
| Discovery Channel Multimedia | Developer | |
| Discovery Communications | Publisher | |
| Discovery Software | DeveloperPublisher | |
| Disguise | Developer | |
| Disguised Games | Developer | |
| DishonoredBrotherhood | Developer | |
| Disk Poppy | Developer | |
| Disk-Count Software | DeveloperPublisher | |
| Disket | Developer | |
| Disney | DeveloperPublisher | |
| Disney Interactive | DeveloperPublisher | |
| Disney Interactive NA | Publisher | |
| Disney Interactive Software | DeveloperPublisher | |
| Disney Interactive Studios | DeveloperPublisher | |
| Disney Interactive StudiosAU | Publisher | |
| Disney Interactive StudiosNA | Publisher | |
| Disney Interactive StudiosNA, PAL | Publisher | |
| Disney Interactive StudiosPAL | Publisher | |
| Disney InteractivePAL | Publisher | |
| Disney Interactve | Developer | |
| Disney Software | Publisher | |
| Dispari | Developer | |
| Disparity Games | DeveloperPublisher | |
| Dispatch Games | Publisher | |
| Disperity Games | DeveloperPublisher | |
| Disprosoft | Publisher | |
| Disrate Studios | Developer | |
| Dissident Logic | DeveloperPublisher | |
| Dissident Studio | Developer | |
| Dissonance Entertainment | Developer | |
| Distal Studios | Developer | |
| Distant Lantern | Developer | |
| Distant Past | Developer | |
| Disthron | Developer | |
| Distinctive Developments | Developer | |
| Distinctive Software | Developer | |
| Ditch Dog | Developer | |
| Dito Seregin | Developer | |
| Ditto | Developer | |
| Ditzie | Developer | |
| Diuta | Developer | |
| Diversions Entertainment | Developer | |
| Diversions Publishing | Publisher | |
| Diversions Software, Inc | Developer | |
| Divide By Zero | Developer | |
| Dividebyzer0 team | Developer | |
| Divided By Zero Laboratories | Developer | |
| Divinal | Developer | |
| Divine Light | Developer | |
| DivineOmega | Developer | |
| Divine_Augustine | Developer | |
| Division PLUS Games | Developer | |
| Divitos | Developer | |
| Divivior | Developer | |
| Diyaa Games | DeveloperPublisher | |
| Dizlen | Developer | |
| DizzardsVoid | Developer | |
| Dizzen | Developer | |
| Dizzy H. Muffin | Developer | |
| Dizzy Media | Developer | |
| DjPon231 | Developer | |
| Dja_Redona | Developer | |
| Djarlem | Developer | |
| DjcatProductions | Developer | |
| DjeyElle | Developer | |
| Djgamex | Developer | |
| Djhyv2 | Developer | |
| DjingareyArt | Developer | |
| Djokix | Developer | |
| Djolex | Developer | |
| DkGames | Developer | |
| DkUniverseYT | Developer | |
| Dkfreeze | Developer | |
| Dlala Studios | Developer | |
| Dlareme | Developer | |
| Dlean Jeans | Developer | |
| Dlm013 | Developer | |