| Taber | Developer | |
| Tabitha Nikolai | Developer | |
| TabloidA | Developer | |
| Tabot | Developer | |
| Tabot Inc. | Developer | |
| Tachyon | Developer | |
| Tachyon Developers | Developer | |
| Tachyon Five | Developer | |
| Tachyon Studios | Developer | |
| TachyonTollman | Developer | |
| TackerTacker | Developer | |
| Tackorama | DeveloperPublisher | |
| Taco Bell | Publisher | |
| Taco El Gato Comics | Developer | |
| Taco Salad | Developer | |
| Tacodog64 | Developer | |
| Tacoma | Developer | |
| Tacs Games | DeveloperPublisher | |
| Tactel Hologram | Developer | |
| Tactical Design Group | Developer | |
| Tactical Development | Developer | |
| TacticalAirHorse | Developer | |
| TacticalOcelots | Developer | |
| TacticianDaraen | Developer | |
| Tactics | Developer | |
| Tactikal224 | Developer | |
| Tad Corporation | Developer | |
| Tad Oner | Developer | |
| Tad Patterson | Developer | |
| Tadej | Developer | |
| Tadpole Interactive | Developer | |
| Tae.exe Team | Developer | |
| TaeSteez33 | Developer | |
| TaelsDaFoox | Developer | |
| TaffSystem | Publisher | |
| Taffy Entertainment | Developer | |
| TaftPunk | Developer | |
| Tag Team Games | Developer | |
| Tago Electronics | Publisher | |
| Taha GOZUBUYUK | Developer | |
| TahaSalman | Developer | |
| Tahitiboi | Developer | |
| Tahoe Software | Developer | |
| Tahoe Software Productions | Developer | |
| Tahsin Rafiey (تحسین رفیعی) | Developer | |
| Tai1 Games | Developer | |
| TaiGuy57 | Developer | |
| Taiga | Developer | |
| Taijin Media | Developer | |
| TaikiGames | Developer | |