| 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) | 1,709,335,227 | 180,145 |
| 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) | 31,956,573 | 1,159 |
| 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) | 1,356 | 5 |
| Transcripted (2022) | 125,890 | 61 |
| Transfer Of Essence (2023) | 218 | 6 |
| Transference (2018) | 0 | 0 |
| The Transference (2026) | 458 | 3 |
| The Transformers (1986) | 348,419,742 | 10,093 |
| Transformers (2003) | 3,644,137 | 429 |
| Transformers (2004) | 11,787,822 | 918 |
| Transformers Animated: The Game (2008) | 1,649,338 | 142 |
| Transformers Autobots (2007) | 17,291,732 | 513 |
| TRANSFORMERS Battlegrounds (2020) | 0 | 0 |
| Transformers Decepticons (2007) | 4,318,944 | 298 |
| Transformers G1: Awakening (2008) | 113,201 | 44 |
| Transformers Online Game (2008) | 653,290 | 9 |
| Transformers Revenge of the Fallen: Autobots (2009) | 6,573,064 | 181 |
| Transformers Revenge of the Fallen: Decepticons (2009) | 4,001,708 | 182 |
| Transformers Universe (2014) | 10,023,225 | 1,352 |
