| Train Valley (2015) | 4,707,355 | 1,423 |
| Train Valley 2 (2019) | 2,885,939 | 4,451 |
| Train Valley World (2024) | 800,756 | 210 |
| Train Yard Builder (2024) | 170,675 | 100 |
| Train Your Minibot (2021) | 701 | 7 |
| The Train: Escape to Normandy (1987) | 26,388 | 28 |
| Trainee Death Simulator (2024) | 16,599 | 26 |
| Trains & Things (2020) | 3,315 | 2 |
| Trainyard (2010) | 452,945 | 308 |
| Trainz Plus (2022) | 74,307 | 71 |
| Trainz Railroad Simulator 2004 (2003) | 2,204,725 | 89 |
| Trainz Railroad Simulator 2006 (2005) | 672,444 | 130 |
| Trainz Railroad Simulator 2019 (2018) | 68,324,912 | 6,559 |
| Trainz Railroad Simulator 2022 (2022) | 1,575,697 | 1,756 |
| Trainz Simulator 12 (2011) | 35,316,967 | 3,077 |
| Trainz: A New Era (2015) | 8,279,858 | 908 |
| Trainz: Virtual Railroading On Your PC (2002) | 141,559 | 11 |
| Traitor (2012) | 31,565,317 | 1,102 |
| Traitor's Gambit (2024) | 0 | 0 |
| Traitors Gate (1999) | 4,355 | 8 |
| Traitors Gate 2: Cypher (2003) | 3,766 | 6 |
| Traitors in Salem (2022) | 7,645,510 | 350 |
| Trajectile (2009) | 475 | 5 |
| TRAMCITY HAKODATE (2024) | 18,764 | 16 |
| Trampoline Terror! (1990) | 53,023 | 128 |
| Trams, Trains & Monorails (2024) | 0 | 0 |
| TramSim (2020) | 3,484,678 | 815 |
| TramSim Munich (2021) | 711,652 | 285 |
| TRANCE VR (2017) | 2,901 | 7 |
| Trance, Trauma (2023) | 1,375 | 16 |
| Trancelation (2018) | 13,753 | 28 |
| Tranquil Builds (2024) | 103 | 5 |
| Tranquil Cove (2021) | 994 | 5 |
| Tranquil Garden (2020) | 190,731 | 69 |
| Tranquil Isle (2025) | 6,098 | 18 |
| Tranquilizer Gun (1980) | 847,900 | 47 |
| Trans Neuronica (2023) | 5,037 | 39 |
| Trans World (1990) | 144,297,920 | 238 |
| Trans-Siberian Legends (2024) | 269,794 | 49 |
| Trans-Siberian Railway Simulator (2024) | 7,537,372 | 1,447 |
| Transarctica (1993) | 34,946 | 69 |
| TransBot (1985) | 722,774 | 305 |
| Transcendence (2003) | 7,400,771 | 1,788 |
| Transcender Starship (2021) | 3,115 | 5 |
| Transcontinental (2025) | 80 | 2 |
| Transcripted (2022) | 125,868 | 60 |
| Transfer Of Essence (2023) | 218 | 6 |
| Transference (2018) | 7,515,592 | 1,833 |
| The Transformers (1986) | 340,505,211 | 9,342 |
| Transformers (2003) | 3,644,137 | 429 |
| Transformers (2004) | 11,784,167 | 906 |
| Transformers Animated: The Game (2008) | 1,643,295 | 121 |
| Transformers Autobots (2007) | 17,265,665 | 501 |
| TRANSFORMERS Battlegrounds (2020) | 0 | 0 |
| Transformers Decepticons (2007) | 4,304,164 | 292 |
| Transformers G1: Awakening (2008) | 113,149 | 43 |
| Transformers Online Game (2008) | 653,290 | 9 |
| Transformers Revenge of the Fallen: Autobots (2009) | 6,572,246 | 177 |
| Transformers Revenge of the Fallen: Decepticons (2009) | 4,001,313 | 169 |
| Transformers Universe (2014) | 9,964,391 | 1,321 |
| Transformers: Autobots (2007) | 12,586,648 | 295 |
| Transformers: Battlegrounds (2020) | 3,406,930 | 1,234 |
| Transformers: Beast Wars Transmetals (1999) | 1,722,655 | 462 |
| Transformers: Cybertron Adventures (2010) | 6,003,476 | 334 |
| Transformers: Dark of the Moon (2011) | 110,571,050 | 4,631 |
| Transformers: Decepticons (2007) | 1,774,095 | 188 |
| Transformers: Devastation (2015) | 121,473,956 | 14,485 |
| TRANSFORMERS: Earth Wars (2016) | 18,352,119 | 6,896 |
| Transformers: Fall of Cybertron (2012) | 207,921,171 | 19,178 |
| Transformers: Forged to Fight (2017) | 37,057,887 | 7,201 |
| Transformers: Human Alliance (2013) | 12,456,691 | 466 |
| Transformers: Mystery of Convoy (1986) | 7,647,597 | 417 |
| Transformers: Prime – The Game (2012) | 69,260,749 | 1,950 |
| Transformers: Revenge of the Fallen (2009) | 133,633,402 | 6,703 |
| Transformers: Rise of the Dark Spark (2014) | 124,562,798 | 7,719 |
