| Tankbuster | Developer | |
| Tanmay Modi | Developer | |
| Tanner Rogalsky | Developer | |
| Tannhasuer Gate Sp. z o.o. | Developer | |
| TanoroChen | Developer | |
| Tanspriter | Developer | |
| Tantalus | Developer | |
| Tantalus Entertainment | Developer | |
| Tantalus Int. | Developer | |
| Tantalus Interactive | Developer | |
| Tantalus Media | DeveloperPublisher | |
| Tantalus Software | Developer | |
| TantanDev | Developer | |
| TanteiSakana | Developer | |
| Tanton-XHX | Developer | |
| Tantrum Entertainment | Publisher | |
| TanuWanu | Developer | |
| Tanuki Frog Games | Developer | |
| Tanuki GS | Developer | |
| Tanuki Tech | Developer | |
| Tanuki-sama Studios | Developer | |
| TanukiCreativeStudio | Developer | |
| Tanukii Studios | Developer | |
| Tao Human | DeveloperPublisher | |
| Tao Human Systems | Developer | |
| Tao Oat | Developer | |
| Tap Games Studios | Developer | |
| Tap2action | Developer | |
| TapBlaze | Developer | |
| TapCatGames | Developer | |
| TapHazardGames | Developer | |
| TapanilanKTT | Developer | |
| Tape & Cardboard Productions | Developer | |
| Tapehead Games | Developer | |
| Tapesoft | Developer | |
| Tapteek | Developer | |
| Taqzwee | Developer | |
| TaranisElsu | Developer | |
| Tarann | Developer | |
| Tarantula Studios | Developer | |
| Taras Tymoshenko | Developer | |
| Tarcísio Costa | Developer | |
| Tarcísio Silva | Developer | |
| Targaciej | Developer | |
| Targem Games | DeveloperPublisher | |
| Target Games | DeveloperPublisher | |
| Target Games (Julian Gollop, Ian Terry) | Developer | |
| Target Games (Julian Gollop, Nick Gollop, Mike Stockwell) | Developer | |
| Target Games (Julian Gollop, Nick Gollop, Shaun G McClure) | Developer | |
| Target Games Limited | Developer | |
| Tarik Laanaya | Developer | |
| TariqElJumaily | Developer | |
| Tarjan | Developer | |
| Tarkis | Developer | |
| Tarn Adams | Developer | |
| Taro | Developer | |
| Taronia Gamenstein | Developer | |
| Tarsier Studios | Developer | |
| Tartiflexe | Developer | |
| Tartle Games | Developer | |
| Tarun Chand | Developer | |
| Taryne-Aly | Developer | |
| Tarz9 | Developer | |
| TarzanNoZ | Developer | |
| Taska | Developer | |
| Taskset | Publisher | |
| Tassilo | Developer | |
| TassuP | Developer | |
| TastefulGames | Developer | |
| Tasuke | DeveloperPublisher | |
| Tate Interactive | DeveloperPublisher | |
| Tate Multimedia | DeveloperPublisher | |
| Tatemartin | Developer | |
| Tatsumi | Publisher | |
| Tatsumi Electronics | Developer | |
| Tatsunoko Production | Developer | |
| Tattie | Developer | |
| Tauheed Game Dev | Developer | |
| TauntyBird | Developer | |
| Taurok | Developer | |
| Taut Nerve | Developer | |
| TavaYachi | Developer | |
| Tavern Tale Studio | Developer | |
| Tavi002 | Developer | |
| TavisMolyneux | Developer | |
| Taxan | Publisher | |
| Taxan NA | Publisher | |
| Taxan NA/EU | Publisher | |
| Taximus | Developer | |
| Tayatashi | Developer | |
| Taylor | Developer | |
| Taylor Jones | Developer | |
| Taylor Lane | Developer | |
| Taylor Made | Developer | |
| Taylor McCue | Developer | |
| Taylor Ritenour | Developer | |
| Tayloredtotaylor | Developer | |
| TayoGame | Developer | |
| Tayror | Developer | |
| Tayuko | DeveloperPublisher | |