GCompris (many languages)
Unrated.
Jun 15, 2012 - v12.05.0.0multiple
Mighty Mike
Oct 10, 2022 - v3.0.1.02Game/ActionGame
Destination Sol
Nov 1, 2018 - v1.5.0.02Game/ActionGame
Tread Marks
Sep 26, 2017 - v1.7.0.02Game/Simulation
Serious Sam: TFE Demo
Jul 25, 2017 - v1.10.0.08Game/ActionGame
Zak McKracken the fan game
Sep 18, 2020 - v1.0.0.2Game/AdventureGame
Multics
Aug 13, 2017 - v1.rc9.git-081017.2Education/ComputerScience
Vampires_Dawn_2
Unrated.
Aug 25, 2015 - v0.2.2.01Game/RolePlaying
Eternal Lands
Dec 6, 2016 - v1.9.4.02Game/RolePlaying
wipEout rewrite
Nov 3, 2023 - v0.1.0.2Game/ActionGame