| Daruma-san | Developer | |
| Darumanaut | Developer | |
| Darumin | Developer | |
| Daruu | Developer | |
| Darwin The Fish | Developer | |
| Darxabre | DeveloperPublisher | |
| Darya_wf | Developer | |
| DarylWinters | Developer | |
| Darylsteak | Developer | |
| Darzington | Developer | |
| DasBilligeAlien | Developer | |
| DasMatze | Developer | |
| DascuMaru | Developer | |
| Dash Team Games | Developer | |
| DashRaiderTheGame | Developer | |
| Dashing Ashes | Developer | |
| Dasius | Developer | |
| DastanGames | Developer | |
| Dasttann777 | Developer | |
| DatBoi11 | Developer | |
| DatJuanDesigner | Developer | |
| Data Design Interactive | DeveloperPublisher | |
| Data Design InteractivePAL | Publisher | |
| Data Design Systems | Developer | |
| Data Design Systems (Stewart Green) Pixel Pete | Developer | |
| Data Design Systems (Stewart Green, S.W. Scott) | Developer | |
| Data Design Systems (Stewart Green, S.W. Scott, Alan Z. Jones, Nigel Pritchard) | Developer | |
| Data East | DeveloperPublisher | |
| Data East & SAS Sakata | Developer | |
| Data East (JP/NA) | Publisher | |
| Data East (NA) | Publisher | |
| Data East Corp. | Developer | |
| Data East JP | Publisher | |
| Data East JP/NA | Publisher | |
| Data East NA | Publisher | |
| Data East NA/EU | Publisher | |
| Data East NA/JP | Publisher | |
| Data EastJP | Publisher | |
| Data EastNA | Publisher | |
| Data EastNA/JP | Publisher | |
| Data Trek | Publisher | |
| Data Wave Software | Developer | |
| Data Wave Software Technology | Publisher | |
| Data West | DeveloperPublisher | |
| DataGhost | Developer | |
| DataWest | DeveloperPublisher | |
| Database Educational Software | DeveloperPublisher | |
| Databyte | Publisher | |
| Dataerase | Developer | |
| Dataflox | Developer | |
| Datam Polystar | DeveloperPublisher | |
| Datamost | DeveloperPublisher | |
| Datasoft | DeveloperPublisher | |
| DatingSim | Developer | |
| Datt Japan | DeveloperPublisher | |
| Dattoffer | Developer | |
| Davbo | Developer | |
| Dave Baskin | DeveloperPublisher | |
| Dave Boyle | Developer | |
| Dave C | Developer | |
| Dave Chiltern | Developer | |
| Dave Colledge | Developer | |
| Dave Collins | Developer | |
| Dave Dew | Developer | |
| Dave Gangola | Developer | |
| Dave Grey | Developer | |
| Dave Grilli | Developer | |
| Dave Kelly | Developer | |
| Dave Kidd | Developer | |
| Dave King | Developer | |
| Dave Lebling | Developer | |
| Dave Lowe | Developer | |
| Dave Microwaves Games | Developer | |
| Dave Pickett | Developer | |
| Dave Rolfe | Developer | |
| Dave Semmens | Developer | |
| Dave Smith | Developer | |
| Dave Thompson | Developer | |
| Dave Vincent | Developer | |
| Dave Worton | Developer | |
| Dave4654 | Developer | |
| DaveKap | Developer | |
| Dave_Lemonade | Developer | |
| Davewinter85 | Developer | |
| DaveyDark | Developer | |
| Davi Fox | Developer | |
| David | Developer | |
| David Bob Lucas | Developer | |
| David Cookie Fonteix | Developer | |
| David 'G3oX' Moreno | Developer | |
| David (Mohammed) Al-Balbaisi | Developer | |
| David A | Developer | |
| David A. | Developer | |
| David A. Palmer Productions | Developer | |
| David Alan Smith | Developer | |
| David Allen | Developer | |
| David Amador | Developer | |
| David Aubrey Jones | Developer | |
| David Aubrey-Jones | Developer | |
| David Birgé-Cotte | Developer | |