3D game engine/framework in C, with Luajit and Python bindings now
A dead simple 2D game library for Go
FlightGear Flight Simulator: free open-source multiplatform flight sim
A very efficient tutor.
Game engine supporting many 3D/2D formats and graphic effects
90-ball bingo with sound
JavaScript framework to build game engines, games, emulators and apps
A C library for decoding .smk Smacker Video files
oGame-like browser space realtime strategy game based on xNova
Portable game engine with main focus on point-and-click adventures
A planetarium software that shows a 3D simulation of the night sky
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
Game server browser
A cross-platform chess game.
Cosmos Tycoon is a open source transport simulation browser game.
HTLS is an Hattrick live match viewer, based on the old Livefox.
Online Freecell based on html5/canvas