| Dahku Creations | DeveloperPublisher | |
| Dahltus | Developer | |
| Dahuanna | Developer | |
| DaiZfrg | Developer | |
| Daidai | DeveloperPublisher | |
| Daiei Seisakusho | Developer | |
| Daigfe | Developer | |
| Daiichi | Developer | |
| DaijoubuTeam | Developer | |
| Daiki | DeveloperPublisher | |
| Daikoku | Publisher | |
| Daikoku Denki | DeveloperPublisher | |
| Dailyish | Developer | |
| DaimenPN | Developer | |
| Dainwoods | Developer | |
| DairaDG | Developer | |
| DairyFreeLemon | Developer | |
| Daisu Games | Developer | |
| Daisuke Amaya | Developer | |
| Daisy Chain | Developer | |
| Daisy Games | Developer | |
| Daisy baka | Developer | |
| Daito | DeveloperPublisher | |
| Daivuk | Developer | |
| Daiwon C&A | Publisher | |
| Dak | Developer | |
| Dakken | DeveloperPublisher | |
| Dakko Dakko | DeveloperPublisher | |
| Dakshvir Singh Rehill | Developer | |
| DalDakota | Developer | |
| Dalali | Developer | |
| Dalali Software | Developer | |
| Dale DeSharone | Developer | |
| Dale Disharoon | Developer | |
| Dale Green | Developer | |
| Dale Johnson & Rick Incrocci | Developer | |
| Dale Johnson and Dav Holle | Developer | |
| Dale Johnson and Rick Incrocci | Publisher | |
| Daleeny | Developer | |
| Daleski | Developer | |
| Dalia Coss | Developer | |
| Dallas Snell | Developer | |
| DallasLillie | Developer | |
| DallaswithaD | Developer | |
| Dallin Nguyen | Developer | |
| Dalos | Developer | |
| Daltair | Developer | |
| Dalton Chancellor | Developer | |
| Dalv0 | Developer | |
| Damarjian Interactive | Developer | |