| 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 | |