| Trainz Plus (2022) | 74,307 | 71 |
| Trainz Railroad Simulator 2004 (2003) | 2,204,725 | 89 |
| Trainz Railroad Simulator 2006 (2005) | 672,006 | 130 |
| Trainz Railroad Simulator 2019 (2018) | 68,315,823 | 6,547 |
| Trainz Railroad Simulator 2022 (2022) | 1,504,120 | 1,638 |
| Trainz Simulator 12 (2011) | 35,311,791 | 3,076 |
| Trainz: A New Era (2015) | 8,279,617 | 908 |
| Trainz: Virtual Railroading On Your PC (2002) | 141,559 | 11 |
| Traitor (2012) | 31,546,171 | 1,096 |
| Traitor's Gambit (2024) | 0 | 0 |
| Traitors Gate (1999) | 4,355 | 8 |
| Traitors Gate 2: Cypher (2003) | 3,764 | 5 |
| Traitors in Salem (2022) | 7,645,471 | 349 |
| Trajectile (2009) | 463 | 4 |
| TRAMCITY HAKODATE (2024) | 18,764 | 16 |
| Trampoline Terror! (1990) | 52,930 | 127 |
| 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) | 1,373 | 16 |
| Trancelation (2018) | 13,753 | 28 |
| Tranquil Builds (2024) | 103 | 5 |
| Tranquil Cove (2021) | 992 | 5 |
| Tranquil Garden (2020) | 190,709 | 69 |
| Tranquil Isle (2025) | 6,001 | 17 |
| Tranquilizer Gun (1980) | 847,744 | 47 |
| Trans Neuronica (2023) | 5,037 | 39 |
| Trans World (1990) | 144,297,920 | 238 |
| Trans-Siberian Legends (2024) | 269,686 | 49 |
| Trans-Siberian Railway Simulator (2024) | 7,453,301 | 1,415 |
| Transarctica (1993) | 34,935 | 68 |
| TransBot (1985) | 720,854 | 303 |
| Transcendence (2003) | 7,393,534 | 1,784 |
| Transcender Starship (2021) | 3,115 | 5 |
| Transcontinental (2025) | 0 | 0 |
| Transcripted (2022) | 125,868 | 60 |
| Transfer Of Essence (2023) | 218 | 6 |
| Transference (2018) | 7,515,020 | 1,830 |
| The Transformers (1986) | 338,873,120 | 9,197 |
| Transformers (2003) | 3,644,137 | 429 |
| Transformers (2004) | 11,780,670 | 901 |
| Transformers Animated: The Game (2008) | 1,643,295 | 121 |
| Transformers Autobots (2007) | 17,264,221 | 499 |
| TRANSFORMERS Battlegrounds (2020) | 0 | 0 |
| Transformers Decepticons (2007) | 4,294,538 | 288 |
| Transformers G1: Awakening (2008) | 113,149 | 43 |
| Transformers Online Game (2008) | 653,290 | 9 |
| Transformers Revenge of the Fallen: Autobots (2009) | 6,571,886 | 174 |
| Transformers Revenge of the Fallen: Decepticons (2009) | 4,001,194 | 166 |
| Transformers Universe (2014) | 9,945,973 | 1,316 |
| Transformers: Autobots (2007) | 12,583,936 | 293 |
| Transformers: Battlegrounds (2020) | 3,406,721 | 1,232 |
| Transformers: Beast Wars Transmetals (1999) | 1,721,329 | 459 |
| Transformers: Cybertron Adventures (2010) | 6,003,365 | 331 |
| Transformers: Dark of the Moon (2011) | 110,520,820 | 4,588 |
| Transformers: Decepticons (2007) | 1,773,789 | 182 |
| Transformers: Devastation (2015) | 121,455,823 | 14,364 |
| TRANSFORMERS: Earth Wars (2016) | 18,330,982 | 6,794 |
| Transformers: Fall of Cybertron (2012) | 207,729,190 | 19,014 |
| Transformers: Forged to Fight (2017) | 37,055,429 | 7,188 |
| Transformers: Human Alliance (2013) | 12,441,516 | 459 |
| Transformers: Mystery of Convoy (1986) | 7,646,542 | 416 |
| Transformers: Prime – The Game (2012) | 69,248,225 | 1,938 |
| Transformers: Revenge of the Fallen (2009) | 133,564,455 | 6,624 |
| Transformers: Rise of the Dark Spark (2014) | 124,546,476 | 7,672 |
| Transformers: The Battle to Save the Earth (1986) | 34,004 | 19 |
| Transformers: The Game (2007) | 149,787,850 | 8,850 |
| Transformers: The Headmasters (1987) | 1,744,782 | 288 |
| Transformers: War for Cybertron (2010) | 151,931,125 | 17,718 |
| Transformice (2010) | 21,936,171 | 5,128 |
| Transfusion (2025) | 497,499 | 52 |
| Transient (2020) | 838,539 | 441 |
| Transiruby (2019) | 226,846 | 479 |
| Transistor (2014) | 42,596,925 | 12,534 |
