| .twt |
Carmageddon 2 Data File |
| .tdt |
FirstBreak Concrete Test File |
| .ted |
Alamo Map File |
| .ttarch |
Telltale Games Archive |
| .tiger |
Tomb Raider Game Data Archive |
| .tap |
Commodore 64 Cassette Tape Image |
| .tkr |
Tinker Custom Level File |
| .tlk |
BioWare Aurora Engine Talk Table File |
| .td6 |
RollerCoaster Tycoon Track Design File |
| .tsc |
TINA Design File |
| .ttl |
AGT Game Title File |
| .tmod |
Terraria Mod File |
| .ts4script |
The Sims 4 Script Archive |
| .tzarc |
Trainz Archive |
| .taf |
ADRIFT Text Adventure File |
| .tja |
Taikojiro Song Map File |
| .tjc |
Taikojiro Song Map Sequence File |
| .tut |
Children of the Nile Tutorial File |
| .ttm |
Tower Toppler Mission File |
| .td4 |
RollerCoaster Tycoon Track File |
| .tp4 |
RollerCoaster Tycoon Track Picture File |
| .tfr |
TIE Fighter Pilot File |
| .tex0 |
Wii Texture File |
| .trim.3ds |
Trimmed 3DS ROM |