C-evo
Windows
ChessV
Mari0
Android, macOS, Windows, and 1 more
Freedoom
macOS, Disk Operating System, Windows, and 2 more
Lugaru
macOS, Windows, Linux
Wolfire Games
MegaMek
SimCity
web browser, Wii, Windows, and 11 more
Nintendo Entertainment Analysis & Development, Maxis
Scorched 3D
Crossfire
Linux, macOS, Mac OS, and 1 more
Pingus
Ryzom
iOS, macOS, Linux, and 2 more
PlaneShift
macOS, Mac OS, Windows, and 1 more
Egoboo
Torus Trooper
ABA Games
Tux, of Math Command
Linux, macOS, Windows
TuxType
macOS, Windows
XBlast
X-Moto
openBVE
Frets on Fire
Widelands
macOS, Linux, Windows
FreedroidRPG
Linux, Windows, macOS
XPilot
Liquid War
macOS, Disk Operating System, Windows, and 1 more
GNU Project
Globulation 2
Jump 'n Bump
macOS, Disk Operating System, Windows, and 4 more
Tokyo Chronos
PlayStation 4, Windows
Yandere School
Android, Windows
Tea & Cake Games
Vega Strike
UltraStar