| Trails of the Black Sun (2022) | 5,311 | 24 |
| Train Capacity 300% (2024) | 127,071 | 5 |
| Train Chase (2021) | 410,995 | 52 |
| TRAIN CREW (2021) | 1,798,913 | 757 |
| Train Crisis (2012) | 12,968,746 | 252 |
| Train Fever (2014) | 13,422,045 | 7,257 |
| The Train Game (1983) | 10,553,777 | 3,397 |
| Train Life: A Railway Simulator (2021) | 2,936,699 | 2,373 |
| Train Mechanic Simulator 2017 (2017) | 7,170,384 | 1,131 |
| Train Mechanic Simulator 2024 (2024) | 2,878 | 4 |
| Train Metropolis (2025) | 0 | 0 |
| Train Sim World (2018) | 35,270,581 | 19,369 |
| Train Sim World 2 (2020) | 37,583,058 | 33,774 |
| Train Sim World 2020 (2019) | 6,234,867 | 1,210 |
| Train Sim World 3 (2022) | 16,878,054 | 15,129 |
| Train Sim World 4 (2023) | 8,718,997 | 12,005 |
| Train Sim World 5 (2024) | 8,223,435 | 10,045 |
| Train Sim World: CSX Heavy Haul (2017) | 11,639,758 | 661 |
| Train Simulator Classic (2009) | 1,709,342,785 | 180,154 |
| Train Simulator Classic (2015) | 0 | 0 |
| Train Simulator PRO 2018 (2017) | 481,727 | 148 |
| Train Station Renovation (2020) | 16,238,770 | 4,555 |
| Train Station Simulator (2017) | 1,474,131 | 373 |
| Train to Nowhere (2023) | 203,807 | 58 |
| Train Traffic Manager (2024) | 2,656 | 37 |
| Train Valley (2015) | 4,711,734 | 1,445 |
| Train Valley 2 (2019) | 2,891,451 | 4,605 |
| Train Valley World (2024) | 801,121 | 223 |
| Train World Driver (2026) | 0 | 0 |
| Train Yard Builder (2024) | 172,109 | 105 |
| Train Your Fingers - Lab (2026) | 0 | 0 |
| Train Your Minibot (2021) | 701 | 7 |
| Train45 (2026) | 0 | 0 |
| The Train: Escape to Normandy (1987) | 26,484 | 29 |
| Trainatic (2025) | 0 | 0 |
| Trainee Death Simulator (2024) | 16,625 | 26 |
| Trains & Things (2020) | 3,320 | 2 |
| Trainyard (2010) | 453,759 | 310 |
| Trainz Plus (2022) | 75,116 | 77 |
| Trainz Railroad Simulator 2004 (2003) | 2,210,909 | 89 |
| Trainz Railroad Simulator 2006 (2005) | 674,283 | 130 |
| Trainz Railroad Simulator 2019 (2018) | 68,560,245 | 6,647 |
| Trainz Railroad Simulator 2022 (2022) | 1,953,048 | 2,136 |
| Trainz Simulator 12 (2011) | 35,335,178 | 3,083 |
| Trainz: A New Era (2015) | 8,281,286 | 909 |
| Trainz: Virtual Railroading On Your PC (2002) | 141,559 | 11 |
| Traitor (2012) | 32,289,395 | 1,166 |
| Traitor's Gambit (2024) | 0 | 0 |
| Traitors Gate (1999) | 5,182 | 10 |
| Traitors Gate 2: Cypher (2003) | 3,782 | 7 |
| Traitors in Salem (2022) | 7,648,425 | 352 |
| Trajectile (2009) | 517 | 6 |
| TRAMCITY HAKODATE (2024) | 20,847 | 20 |
| Trampoline Terror! (1990) | 53,688 | 139 |
| Trams, Trains & Monorails (2024) | 0 | 0 |
| TramSim (2020) | 3,487,312 | 826 |
| TramSim Munich (2021) | 711,731 | 286 |
| TRANCE VR (2017) | 2,901 | 7 |
| Trance, Trauma (2023) | 1,382 | 16 |
| Trancelation (2018) | 13,753 | 28 |
| Tranquil Builds (2024) | 103 | 5 |
| Tranquil Cove (2021) | 1,000 | 5 |
| Tranquil Garden (2020) | 194,642 | 73 |
| Tranquil Isle (2025) | 6,434 | 19 |
| Tranquilizer Gun (1980) | 848,286 | 47 |
| Trans Neuronica (2023) | 5,078 | 40 |
| Trans Theft Horso (2025) | 0 | 0 |
| Trans World (1990) | 144,297,920 | 238 |
| Trans-Siberian Legends (2024) | 279,513 | 51 |
| Trans-Siberian Railway Simulator (2024) | 7,599,835 | 1,555 |
| Transarctica (1993) | 34,957 | 72 |
| TransBot (1985) | 723,144 | 308 |
| Transcendence (2003) | 7,447,474 | 1,806 |
| Transcender Starship (2021) | 3,115 | 5 |
| Transcontinental (2025) | 3,276 | 6 |
