CTFs as you need them
Ze Text Adventure game Builder : Create as you play !
An isometric arcade-style game of skill, puzzles and exploration
Updated emulator of Forgotten Realms: Unlimited Adventures
Java Settlers
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Cinema Enters Game Console
FreeCS is a free-software reimplementation of Counter-Strike 1.5.
Modern 3D engine and IDE written using C# and C++.
A cross platform Lua based game engine
An API for interacting with Starcraft: Brood War (1.16.1)
The second demo of my game engine.
Unreal Engine 4 first-person criminal simulator.
Single-/multi-player card game Mau Mau (similar to UNO®)
Solve, explore and create Sudokus
Map editor for the game Can I Scape
Cross platform Game Creation Software
C++ Framework for slot machine games
3D Interactive sandbox environment
A game development kit for Sifteo Cubes.
this is tic tac toe or zero cross game(for windows os)
An open source skateboard games engine written in C# and .NET.
DiaT is a Textadventure