| Train Sim World 5 (2024) | 8,221,243 | 9,999 |
| Train Sim World: CSX Heavy Haul (2017) | 11,639,758 | 661 |
| Train Simulator Classic (2009) | 1,707,366,038 | 179,704 |
| Train Simulator Classic (2015) | 0 | 0 |
| Train Simulator PRO 2018 (2017) | 481,709 | 148 |
| Train Station Renovation (2020) | 16,238,303 | 4,541 |
| Train Station Simulator (2017) | 1,474,106 | 373 |
| Train to Nowhere (2023) | 203,807 | 58 |
| Train Traffic Manager (2024) | 2,656 | 37 |
| Train Valley (2015) | 4,711,677 | 1,445 |
| Train Valley 2 (2019) | 2,891,193 | 4,605 |
| Train Valley World (2024) | 801,121 | 223 |
| Train World Driver (2026) | 0 | 0 |
| Train Yard Builder (2024) | 171,262 | 102 |
| Train Your Fingers - Lab (2026) | 0 | 0 |
| Train Your Minibot (2021) | 701 | 7 |
| 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) | 2,210,602 | 89 |
| Trainz Railroad Simulator 2006 (2005) | 674,247 | 130 |
| Trainz Railroad Simulator 2019 (2018) | 68,550,452 | 6,647 |
| Trainz Railroad Simulator 2022 (2022) | 1,927,509 | 2,118 |
| Trainz Simulator 12 (2011) | 35,334,387 | 3,083 |
| Trainz: A New Era (2015) | 8,281,192 | 909 |
| Trainz: Virtual Railroading On Your PC (2002) | 141,559 | 11 |
| Traitor (2012) | 31,954,289 | 1,154 |
| Traitor's Gambit (2024) | 0 | 0 |
| Traitors Gate (1999) | 5,182 | 10 |
| Traitors Gate 2: Cypher (2003) | 3,782 | 7 |
| Traitors in Salem (2022) | 7,648,332 | 352 |
| Trajectile (2009) | 517 | 6 |
| TRAMCITY HAKODATE (2024) | 20,847 | 20 |
| Trampoline Terror! (1990) | 53,660 | 139 |
| Trams, Trains & Monorails (2024) | 0 | 0 |
| TramSim (2020) | 3,487,207 | 826 |
| TramSim Munich (2021) | 711,730 | 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) | 848,226 | 47 |
| Trans Neuronica (2023) | 5,078 | 40 |
| Trans World (1990) | 144,297,920 | 238 |
| Trans-Siberian Legends (2024) | 279,512 | 51 |
| Trans-Siberian Railway Simulator (2024) | 7,599,615 | 1,553 |
| Transarctica (1993) | 34,957 | 72 |
| TransBot (1985) | 723,137 | 308 |
| Transcendence (2003) | 7,413,985 | 1,803 |
| Transcender Starship (2021) | 3,115 | 5 |
| Transcontinental (2025) | 1,356 | 5 |
| Transcripted (2022) | 125,890 | 61 |
| Transfer Of Essence (2023) | 218 | 6 |
| Transference (2018) | 7,519,289 | 1,864 |
| The Transference (2026) | 458 | 3 |
| The Transformers (1986) | 347,877,867 | 10,014 |
| Transformers (2003) | 3,644,137 | 429 |
| Transformers (2004) | 11,787,821 | 918 |
| Transformers Animated: The Game (2008) | 1,649,334 | 142 |
| Transformers Autobots (2007) | 17,291,672 | 513 |
| TRANSFORMERS Battlegrounds (2020) | 0 | 0 |
| Transformers Decepticons (2007) | 4,318,924 | 298 |
| Transformers G1: Awakening (2008) | 113,201 | 44 |
| Transformers Online Game (2008) | 653,290 | 9 |
| Transformers Revenge of the Fallen: Autobots (2009) | 6,573,060 | 181 |
| Transformers Revenge of the Fallen: Decepticons (2009) | 4,001,706 | 182 |
| Transformers Universe (2014) | 10,011,878 | 1,349 |
| Transformers: Autobots (2007) | 12,595,729 | 308 |
| Transformers: Battlegrounds (2020) | 3,410,499 | 1,300 |
