| Telegames Inc. | DeveloperPublisher | |
| Telegames, Inc. | DeveloperPublisher | |
| Telenet | Developer | |
| Telenet Japan | DeveloperPublisher | |
| Telenet Japan (JP) | Publisher | |
| Telenet JapanJP | Publisher | |
| Telent Japan | Publisher | |
| Televisa | DeveloperPublisher | |
| Televisa Home Entertainment | Publisher | |
| Teljoor | Developer | |
| TellomnaX | Developer | |
| Telltale Games | DeveloperPublisher | |
| Telltale Publishing | Publisher | |
| Tellurion Mobile Games | Developer | |
| Telstar | DeveloperPublisher | |
| Telstar EU | Publisher | |
| Telstar Electronic Studios | DeveloperPublisher | |
| Telstar Electronic Studios Ltd | DeveloperPublisher | |
| TelstarPAL | Publisher | |
| Tembac | Developer | |
| Temmy | Developer | |
| TempVar Studios | Developer | |
| Tempa | Developer | |
| Temperanza Bros. | Developer | |
| Tempest Software | DeveloperPublisher | |
| TemplarGames | Developer | |
| TempleDSS | Developer | |
| Temporarily Unnamed Collective | Developer | |
| Temporarium | Developer | |
| Temporary_Alias | Developer | |
| Temsei | Developer | |
| Temulgeh | Developer | |
| Ten Men's Games | Developer | |
| TenTenTwentyTwenty | Developer | |
| TenaciousDan | Developer | |
| Tenbirds | DeveloperPublisher | |
| Tencent | DeveloperPublisher | |
| Tencent Inc. | Publisher | |
| Tender Claws | Publisher | |
| Tendershoot | Developer | |
| TendoMendo | Developer | |
| Tendogames | Developer | |
| Tenfor | Developer | |
| Tengen | DeveloperPublisher | |
| Tengen INT | Publisher | |
| Tengen Inc. | Developer | |
| Tengen NA | Publisher | |
| TengenNA | Publisher | |
| TengenNA/JP | Publisher | |
| TengenNA/PAL | Publisher | |
| TengoUnProblema | Developer | |
| Tengu Games | Developer | |
| TenkaStudios | Developer | |
| Tenkaiyo | Developer | |
| Tenky | Developer | |
| Tenky Co., Ltd. | Developer | |
| Tennyson Gardiner | Developer | |
| Tenor Games | Developer | |
| TensePulseGames | Publisher | |
| TenshiAA | Developer | |
| TenshiHanka | Developer | |
| Tenshindo | DeveloperPublisher | |
| TenshindÅ | DeveloperPublisher | |
| TensionSplice | Developer | |
| Tensui Software | DeveloperPublisher | |
| TentMakerGames | Developer | |
| Tentabrobpy | Developer | |
| Tentacle Head Games | Developer | |
| Tentapoulpe | Developer | |
| Tenth Planet Software | Developer | |
| Tenyo | Developer | |
| Teo.D | Developer | |
| Teo3 | Developer | |
| Teoman Irmak | Developer | |
| Teotl Studios | Developer | |
| Teque Interactive | Developer | |
| Teque London | DeveloperPublisher | |
| Teque Software | Developer | |
| Teque Software Development | Developer | |
| Teque Software Development (Bill Caunt, Peter Hickinson, Mark Edwards, Ben Daglish) | Developer | |
| Teque Software Development (Dave Colledge, Ben Daglish) | Developer | |
| Teque Software Development (Fred O'Rourke, Matt Furniss, Mark Edwards) | Developer | |
| Teque Software Development (Jim Tripp, Matt Furniss) | Developer | |
| Teque Software Development (Mark Incley, Mark Harrap, Mark Potente, Matt Furniss) | Developer | |
| Teque Software Development (Matt Furniss) | Developer | |
| Teque Software Development (Mike Talbot, Matt Furniss, Mark Edwards) | Developer | |
| Teque Software Development (Nicholas Kimberley, Jason Wilson, Matt Furniss) | Developer | |
| Teque Software Development (Nicholas Kimberley, Mark Harrap, Ben Daglish) | Developer | |
| Teque Software Development (Peter Harrap, Shaun Hollingworth, Mark Edwards, Ben Daglish) | Developer | |
| Teque Software Development (Peter Hickinson, Bill Caunt, Mark Edwards) | Developer | |
| Teque Software Development (Shaun Hollingworth, Mike Menace, Ben Daglish) | Developer | |
| Tequila Works | DeveloperPublisher | |
| Tera Box | DeveloperPublisher | |
| Terahard | DeveloperPublisher | |
| Terahard Studios | DeveloperPublisher | |
| Terakonta | Developer | |
| Tergum | Developer | |
| Teriimaeva | Developer | |
| Terios | Developer | |
| TeriyakiPhantom | Developer | |
| TermedStew | Developer | |
| TerminX | Developer | |
| Terminal Reality | Developer | |
| Terminal Software | DeveloperPublisher | |
| Termindevs | Developer | |
| Termite Games | Developer | |
| Ternox | Developer | |
| Terra | Developer | |
| Terra Nova Development | Developer | |
| Terra Tek Studios | Publisher | |
| TerraDev64 | Developer | |
| Terrace | Developer | |
| Terracottafrog | Developer | |
| Terradarc | Developer | |
| Terraglyph Interactive | DeveloperPublisher | |
| Terraglyph Interactive Studios | Developer | |
| Terrarium | Developer | |
| Terravale | Developer | |
| Terri | Developer | |
| Terrible Kyle | Developer | |
| Terrible Posture Games | DeveloperPublisher | |
| Terrible Toybox | DeveloperPublisher | |
| TerrorFuelGames | Developer | |
| Terry Cavanagh | DeveloperPublisher | |
| Terry DuBois | Developer | |
| Terry Greer | Developer | |
| Terry L. Jepson | Developer | |
| Terry Lloyd | Developer | |
| Terry Wiley | Developer | |
| TerryYoung | Developer | |
| Terryslayer13 | Developer | |
| Terser | Developer | |
| Terzom | Developer | |
| Tesivonius | Developer | |
| TesloStep | Developer | |
| Tess Leiman | Developer | |
| Tesseraction Games | Developer | |
| Tesseron | Developer | |
| Tessloff | Developer | |
| Test Tickling Games | Developer | |
| TestGround | Developer | |
| Testlab 7 | Developer | |
| TetraPack123 | Developer | |
| TetraStudios | Developer | |
| Tetracyl | Developer | |
| Tetragon Inc. | Developer | |
| TetraphobiaGame | Developer | |
| Tetratech | DeveloperPublisher | |
| Tetris Online | Developer | |
| Tetris Online, Inc. | DeveloperPublisher | |