25 wads
| File | Name | Author | Iwad | Demos | Length |
|---|---|---|---|---|---|
| tridoom | Thrice Doomed | Thelokk | doom | 3 | 57:22 |
| triex | triex | Doug Ryerson | doom2 | 1 | 6:53 |
| triggerh | Trigger-happy | pintolinh0 | doom2 | 1 | 8:50 |
| trilogy | Trilogy | Chris Spain | doom | 2 | 0:59 |
| trinity2 | trinity2 | Steve McCrea, Simon Wall, Elias Papavassilopoulos | doom | 6 | 34:17 |
| trmbl | Tremble | Sam Stackhouse | doom | 2 | 4:00 |
| trocket | trocket | Team Rocket | doom2 | 62 | 2:00:33 |
| trouble | trouble | Jim Flynn | doom2 | 3 | 53:56 |
| truetest | truetest | Anthony Klein | doom | 8 | 26:49 |
| trunk | trunk | Richard Smol | doom | 2 | 3:36 |
| truth2 | Truth II | Leonard Daniels (JackDBS) | doom2 | 1 | 42:56 |
| try | try | Unknown | doom2 | 3 | 0:36 |
| trydent | trydent | Bjorn Hermans | doom2 | 7 | 13:03 |
| tshck1 | tshck1 | Bill Lachance | doom | 2 | 3:58 |
| tsmt | Tony's Speedmappy Tomf... | tonytheparrot, Monsieur.E, NiGHTS108 | doom2 | 2 | 5:29 |
| tsotsofx | tsotsofx | Michael Kargas | doom | 3 | 39:18 |
| t-stone | t-stone | Tango | doom2 | 3 | 3:39 |
| tstorage | tstorage | Tobias Muench | doom | 8 | 15:43 |
| t-system | t-system | Tango | doom2 | 2 | 4:49 |
| tt11 | tt11 | Todd Prince | doom | 1 | 13:34 |
| ttadom11 | ttadom11 | TTA | doom | 2 | 3:49 |
| tte | The toxic exodus | Simon666 | doom2 | 1 | 5:51 |
| ttns | Tetanus | Various | doom2 | 61 | 3:54:08 |
| ttob | The tower of Babel | Various | doom2 | 1 | 2:47 |
| ttp103 | ttp103 | Matthias Worch | doom2 | 30 | 3:42:49 |