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 825 games in this category. All games

Open Broadcaster Software

Open Broadcaster Software is free and open source software for video recording and live streaming.

FLARE

Free Libre Action Roleplaying Engine is a simple game engine built to handle a very specific kind of game: single-player 2D action RPGs.

NetRadiant

NetRadiant is a fork of the now defunct GtkRadiant 1.

TrenchBroom

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

OpenRayman

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

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

Orx

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.

Minetest

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

Neverputt

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

Neverball Clockwork

1.6.0.4 (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