| Tallbeard Studios | Developer | |
| Taller de Creación de Videojuegos | Developer | |
| Talmagett | Developer | |
| Talon | Developer | |
| TalonSoft | DeveloperPublisher | |
| TalonSoft and Global Star Software | Publisher | |
| Talops | Developer | |
| Talos Interactive | DeveloperPublisher | |
| Talpa Games | Developer | |
| Talpe | Developer | |
| Tam | Developer | |
| Tam Tam | Developer | |
| TamTahiti | Developer | |
| TamTam | Developer | |
| TamTam Co. | Developer | |
| Tamas Kaproncai | Developer | |
| Tamatea Denarie | Developer | |
| Tamaya Kagiya | Developer | |
| Tambalaya | Developer | |
| Tamers12345 | Developer | |
| Tammy | Developer | |
| Tamperwith | Developer | |
| Tamsen Reed | Developer | |
| Tamsoft | DeveloperPublisher | |
| TamsoftJP | Publisher | |
| Tamsoh | Developer | |
| Tamtam | Developer | |
| Tamtex | Developer | |
| TamunoAkasi | Developer | |
| Tamás Harsányi | Developer | |
| Tan Army Gaming | Developer | |
| Tan Kang Soon | Developer | |
| TanBoonHing | Developer | |
| Tanager Software Productions | DeveloperPublisher | |
| Tanaka Brothers | Developer | |
| Tandems | Developer | |
| Tandy Corp. | Publisher | |
| Tandy Corporation | Publisher | |
| Tanfor | Developer | |
| TangentFox | Developer | |
| Tangente | Developer | |
| Tangentlemen | Developer | |
| Tangled Web Games | Developer | |
| TangledVirus | Developer | |
| Tango Gameworks | Developer | |
| Tangram Games | Developer | |
| Tangramdev | Developer | |
| Tanguy Gallard | Developer | |
| Taniko | Developer | |
| Tanish Singh | Developer | |