Open Source

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

See Also: Open Source Initiative (OSI) approved licenses

Displaying 1 - 12 of 781 games in this category. All games

Reaction

Reaction is a free-to-play first person shooter that combines action and realism; with a specific emphasis on action over realism in...
Genre: Shooter, Action

XLE

XLE is a open-source (MIT license) game engine currently in development at XL Games.

TrueCraft

The good old days of Minecraft, brought back in all their simplistic glory.
Genre: Construction and management, Adventure

Thrive

Thrive is a free, open-source game about the evolution of life.
Genre: Simulation

OpenGOO

OpenGOO is a free and opensource clone of World of Goo game, written in Qt 5 and Box2D as a 2D physics engine.
Genre: Puzzle, Action

Goat Attack

Probably the best game involving goats and shotguns!
Genre: Platform, Action

Petigor's Tale

This is a game about a brave warrior - a teenage boy who alone was forced to fight an evil troll and his companions.
Genre: Beat 'Em Up, Action

Cafu Engine

The Cafu Engine is an all-purpose, modern 3D graphics engine and game development kit, feature complete to get you started quickly.

Castle Game Engine

Free open-source game engine for FreePascal and Lazarus.

Raydium

Raydium is a game engine. It provides a set of functions wich allow quick and flexible games creation.

SGE Game Engine

The SGE Game Engine ("SGE", pronounced like "Sage") is a general-purpose 2-D game engine.

ReTux

ReTux is an action platformer loosely inspired by the Mario games, utilizing the art assets from the SuperTux project.
Genre: Platform, Action