A new Minecraft world editor and converter
Edit BZFlag world maps with 3D preview
Flexible level editor
Eureka is a DOOM map editor
Minecraft map editor and mod
A fresh & lightweight javascript game engine
An OpenGL RTS game engine written in C
A toolbox for Sid Meier's Civilization
GPS track editor for editing tracks and planning (multiple) day tours
Custom Map File Generator for C-evo
Domination is a game that is a bit like the board game Risk
A 2D multiplayer space shooter game
Colonize the New World.
SDL based generic 2D game engine
A free 3d game for PC that does not limit the player. Fight,Build,Gain
BattleTech MUX Client
turn-based wargame/simulator
Advanced map editor
2D Game Engine
Open RealStrategyGameLibrary (Engine)
2D Game Engine with Lua Scripting made on top of SFML