| Titan Studios |
| Titus Interactive |
| Tiwak |
| Tomy |
| TopWare |
| Torpex Games |
| Torus Games |
| TOSE |
| Totally Games |
| Touchdown Entertainment |
| Touchstone |
| Toxic Games |
| ToyLogic |
| Toys for Bob |
| Tranji |
| Transmission Games |
| Traveller's Tales |
| Treasure |
| Trendy Entertainment |
| Treyarch |
| Tri Synergy |
| tri-Ace |
| Tri-Crescendo |
| Trion Worlds |
| Tripwire Interactive |
| Triumph Studios |
| Troika |
| Turbine Entertainment Software |
| Turn 10 |
| Turtle Rock Studios |
| Twisted Pixel Games |
