Open Source

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

See Also: Open Source Initiative (OSI) approved licenses

Displaying 37 - 48 of 753 games in this category. All games

Torque 3D

The Torque Game Engine, or TGE, is a computer game engine originally developed by Dynamix for the 2001 first-person shooter Tribes 2.

MonoGame

MonoGame is an open source implementation of the Microsoft XNA 4.

Solarus

Solarus is a free and open-source Action-RPG game engine, licensed under GPL, and written in C++.

Arx Libertatis

Arx Libertatis is a source port based on the publicly released Arx Fatalis source code.
Genre: Role-playing, Action

id Tech 4

id Tech 4, popularly known as the Doom 3 engine, is a game engine developed by id Software and first used in the video game Doom 3.
Genre: Action

id Tech 1

The Doom engine, also known as id Tech 1, is the game engine that powers the id Software games Doom and Doom II: Hell on Earth.
Genre: Action

Quake engine

The Quake engine is the game engine developed by id Software to power their 1996 video game Quake.

id Tech 2

id Tech 2, popularly known as the Quake II engine, is a game engine developed by id Software for use in their games, most notably Quake II.

Dune Legacy

Dune Legacy is an effort by a handful of developers to revitalize the first-ever real-time strategy game.
Genre: Strategy

Nuvie

Nuvie, pronounced 'New-Vee' is an open sourced game engine for playing Origin's games Ultima 6, Martian Dreams and Savage Empire on...
Genre: Role-playing

Iris 2

Iris 2.0 is a cross-platform open-source 2D/3D client for playing the MMORPG Ultima Online on Freeshards
Genre: Role-playing

XU4

XU4 is a remake of the computer game Ultima IV.
Genre: Role-playing