A very efficient tutor.
A cross-platform port of Hexen II game.
Orx: Portable Game Engine
Open-source reimplementation of the original King's Bounty
Pioneers - The Settlers of Catan
3D video music media player lyrics subtitles etc...
Text-based adventure game
SDL/OpenGL/OpenCL based particle simulation.
Battlefleet - Naval warfare at the turn of the century: 1895 - 1905
Multi-platform game engine similar to old Megaman with a stage editor
A cross-platform, 3D interpreter to play LucasArts' Lua-based games
Physics Game like "The Incredible Machine"
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
Scriptable frontend for media applications.
Cross-platform reimplementation of AMOS BASIC (runtime)