| Three Times Infinite | Developer | |
| Three-Sixth Pacific | Publisher | |
| Three-Sixty Pacific | DeveloperPublisher | |
| Three-legged crow | Developer | |
| ThreeAnglePie | Developer | |
| ThreePixels | Developer | |
| Three_dots | Developer | |
| Threeli | Developer | |
| Threewave Software | Developer | |
| Threshold Seven | Developer | |
| Threstle | Developer | |
| Threye Interactive | DeveloperPublisher | |
| ThriftUterus | Developer | |
| ThrillDaWill | Developer | |
| Thrinmor | Developer | |
| Through Games | DeveloperPublisher | |
| ThroughLine Games | Developer | |
| ThroughTunnel | Developer | |
| Throw the Warped Code Out | DeveloperPublisher | |
| Throwback Entertainment | Publisher | |
| Throwback Games | Developer | |
| ThrowbackDev | Developer | |
| Thruster Games | Developer | |
| ThubyDev | Developer | |
| Thuleanx | Developer | |
| Thund | Developer | |
| Thunder Cloud Studio | Publisher | |
| Thunder Egg Concepts | Developer | |
| Thunder Lotus | Developer | |
| Thunder Lotus Games | DeveloperPublisher | |
| Thunder Mountain | DeveloperPublisher | |
| Thunder Mountain (company) | Publisher | |
| Thunder Perfect Witchcraft | Developer | |
| ThunderLime | Developer | |
| Thunder_Loud | Developer | |
| Thunder_Wood | Developer | |
| Thundercloud | Developer | |
| Thunderduck | Developer | |
| Thunderent | Developer | |
| Thunderfall Publishing | Publisher | |
| Thunderful | Publisher | |
| Thunderful Games | Publisher | |
| Thunderful Publishing | Publisher | |
| Thunderous Echo | Developer | |
| Thunderous Wizard Studios | Developer | |
| Thundersparks | Developer | |
| Thunderstruck Games | Developer | |
| Thur | Developer | |
| Thuranius | Developer | |
| ThyDuck | Developer | |
| Thylacine Studios | Developer | |
| ThylacineStudios | Developer | |
| Théo Gros | Developer | |
| Théo Leicht | Developer | |
| TiGames | Developer | |
| TiMerGames | Developer | |
| TiMi Studios | Developer | |
| Tia Liet | Hydromer | Developer | |
| Tiago Marino | Developer | |
| Tiago Marques | Developer | |
| Tiago Sambatti | Developer | |
| TiagoCWB | Developer | |
| Tiananmen Planet | Developer | |
| Tianhao Wang | Developer | |
| Tiani Pixel | Developer | |
| Tians | Developer | |
| Tianyu Studio Software | DeveloperPublisher | |
| Tiare | DeveloperPublisher | |
| Tibault | Developer | |
| Tibba Games | Developer | |
| TibbleTop | Developer | |
| TibiSoft | Developer | |
| Tiburon | Developer | |
| Tiburon Entertainment | Developer | |
| Tiburon Interactive Publishing | Publisher | |
| Tic Tac Toad | Developer | |
| Tic Toc Games | DeveloperPublisher | |
| TicToc Games | DeveloperPublisher | |
| TiccyRobby | Developer | |
| TickTock Games | Developer | |
| Ticolol | Developer | |
| Ticsoft | DeveloperPublisher | |
| Ticsoft Software | Developer | |
| TidalBlossoms | Developer | |
| Tide Productions | Developer | |
| Tieffeline | Developer | |
| Tienesf | Developer | |
| Tiera | Developer | |
| Tierheit | Developer | |
| Tiertex | Developer | |
| Tiertex (Chris Shay) | Developer | |
| Tiertex (David Beresford, Wayne Blake, Dave Stead, Mr. Pixels) | Developer | |
| Tiertex (John Prince, Duncan Campbell, Martin Wakeley) | Developer | |
| Tiertex (Mark Haigh-Hutchinson, Blue Turtle, Mark Tait) | Developer | |
| Tiertex (Mark Haigh-Hutchinson, Blue Turtle, Mike Davies) | Developer | |
| Tiertex Design Studios | Developer | |
| Tiertex Ltd. | Developer | |
| Tiffany Lam | Developer | |
| Tiger & Squid | Developer | |
| Tiger Collins | Developer | |
| Tiger Developments | Developer | |
| Tiger Hill Entertainment | Developer | |
| Tiger Media | Developer | |
| Tiger Media, Inc. | DeveloperPublisher | |
| Tiger Studios | Developer | |
| Tiger and Squid | Developer | |
| TigerHoo | Developer | |
| TigerJ | Developer | |
| TigerShark Productions | Developer | |
| Tigermoth | Developer | |
| Tigerskunk | Developer | |
| Tigervamp | Developer | |
| Tigon Studios | Developer | |
| Tigress Marketing | Developer | |
| Tihomir Bajtek | Developer | |
| Tiimot | Developer | |
| TijmenD | Developer | |
| TijmenTio | Developer | |
| Tijn Arts | Developer | |
| Tijntjuhh | Developer | |
| TikGames | DeveloperPublisher | |
| TikGames, LLC | Developer | |
| Tiki Games | Developer | |
| Tikipod | DeveloperPublisher | |
| Tiko | Developer | |
| Till Gilsbach | Developer | |
| TillerQueen | Developer | |
| Tillion | Developer | |
| Tilted Mill Entertainment | DeveloperPublisher | |
| Tilting Point | Developer | |
| Tiltspot.tv | Developer | |
| Tiluchi | Developer | |
| Tim & Chris Stamper | Developer | |
| Tim B. | Developer | |
| Tim Bell | Developer | |
| Tim Busuttil | Developer | |
| Tim Callahan | Developer | |
| Tim Carroll | Developer | |
| Tim Follin | Developer | |
| Tim I Hely | Developer | |
| Tim Knauf | Developer | |
| Tim Krief | Developer | |
| Tim Lewis | Developer | |
| Tim May | Developer | |
| Tim McCarthy | Developer | |
| Tim Miller | Developer | |
| Tim P. von Pein | Developer | |
| Tim Rachor | Developer | |
| Tim Sheinman | Developer | |
| Tim Sjöstrand | Developer | |
| Tim Soret | Developer | |
| Tim Stamper | Developer | |
| Tim Willers | Developer | |
| Tim Williams | Developer | |
| Tim Wilson | Developer | |
| Tim Wisseman | DeveloperPublisher | |
| Tim and Chris Stamper | Developer | |
| TimGreen24 | Developer | |
| TimRuswick | Developer | |
| Timberline Studio | DeveloperPublisher | |
| TimboFimbo | Developer | |
| Timbre Interactive | Developer | |
| Time Warner Electronic Publishing | Publisher | |
| Time Warner Interactive | DeveloperPublisher | |
| Time Warner InteractiveNA | Publisher | |
| Time Warner InteractivePAL | Publisher | |
| Time Warp Productions | Developer | |
| Time Warp Software | Publisher | |
| TimeForSP | Developer | |
| TimeGate Studios | Developer | |
| TimeGentleman | Developer | |
| TimeLoad Games | Developer | |
| TimePoint | DeveloperPublisher | |
| TimeStop | Developer | |
| Timedata (Antony M. Scott) | Developer | |
| Timedrop Studios | Developer | |
| Timeline Computer Entertainment | Developer | |
| Timeline Interactive | DeveloperPublisher | |
| Timeslip Software | Publisher | |
| TimidSquid | Developer | |
| Timitu | Developer | |
| Timka | Developer | |
| Timmir | Developer | |
| Timo Falcke | Developer | |
| Timo Koesters | Developer | |
| Timofei Usikov | Developer | |
| Timon Herzog | Developer | |
| Timooff | Developer | |
| Timothi Ellim | Developer | |
| Timothy Closs | Developer | |
| Timothy Patullock | Developer | |
| Timothy W. Smith | Developer | |
| Timothy Walter | Developer | |
| Timothy-333 | Developer | |
| TimothyHart | Developer | |
| TimothyJ | Developer | |
| TimothyvanderHoeven | DeveloperPublisher | |
| Timothé Dauplay | Developer | |
| Timure_noffty | Developer | |
| Tin Heart Interactive | Developer | |