Open Source

The engine and all game files are released under a open source license.

See Also: Open Source Initiative (OSI) approved licenses

Displaying 13 - 24 of 823 games in this category. All games


NetRadiant is a fork of the now defunct GtkRadiant 1.


Features: General Full support for editing in 3D and in up to three 2D views High performance renderer with support...


An open source reimplementation of the Rayman 2: The Great Escape engine using C++11 and modern OpenGL.

Deer Portal

Deer Portal is a open source (free as a speech, free as a beer) hybrid game which utilize board and card games mechanisms.
Genre: Boardgame, Card game, Action


Polycode is a C++ and Lua framework for building interactive applications.


Orx is an open source, portable, lightweight, plugin-based, data-driven and extremely easy to use 2D-oriented game engine.

Blender Game Engine

Included in Blender is a complete game engine, allowing you to create a fully featured 3d game right inside Blender.


0.4.14 (15 May 2016)
Minetest is a game engine to create various games based on voxel gameplay.


1.6.0 (21 May 2014)
Neverputt is a simple minigolf game in 3D for 1-4 players.
Genre: Sports, Simulation

Neverball Clockwork (18 May 2016)
Neverball Clockwork is a game of skill in which your task is to tilt the floor to roll a ball through various obstacle courses, collecting...
Genre: Arcade, Action


Freelan is a free, open-source, multi-platform, peer-to-peer VPN software that abstracts a LAN over the Internet.


Multiplayer Tron in your terminal.
Genre: Action