Ultima 7 (exult)
May 11, 2020 - v0.0.6.0Game/RolePlaying
Ultimate Stunts
Oct 4, 2015 - v0.7.7.01Game/Simulation
uMario
Apr 14, 2016 - v1.0.3.01Game/ActionGame
Undertale
Unrated.
Apr 13, 2020 - v1.0.0.01Game/RolePlaying
Unknown Horizons
May 25, 2013 - v2013.2.0.01Game/StrategyGame
unnamed game with a mole
Apr 28, 2014 - v0.0.1.1Game/ArcadeGame
Untahris
Jun 26, 2014 - v4.0.1.0Game/ArcadeGame
Uplink
Dec 27, 2014 - v1.5.4.3Game/RolePlaying
Ur-Quan Masters
May 7, 2011 - v0.6.2.1Game/ActionGame
Ura Kaiten Patissier
Sep 3, 2013 - v1.0.3.1Game/LogicGame