RTSish Game Engine
inputbox password WIN OSX GTK QT Console VCPKG C# Lua R Fortran Pascal
3D-Accelerated open-source DOOM engine
EDGE is an advanced DOOM source port
Game engine for playing tomb raider 1 - 5 levels.
A space game in the Hoshikaze 2250 universe, built on the NAEV engine
Pear3DEngine is a modern and modular 3D development framework
Fly with a Bird through a 2D world
A 3D rendering / entity engine
Make games with Lego-like building blocks