Awesome Open Source Games

PokerTH is a poker game written in C++/Qt.

NOTE: development in stuntrally3 repo. 3D racing game based on VDrift and OGRE with own Track Editor. The main repository with Stunt Rally 2.x sources and data.

Open Fodder: An open source port of Cannon Fodder

C++ bindings/wrapper for SDL2

Base environment for Red Eclipse and associated source files.

The MMORPG Meridian 59

Open source game inspired by Dungeon Keeper - Dark, damp and dangerous... | *Not actively developed anymore*

Freeminer is an open source sandbox game inspired by Minecraft.

MegaGlest real-time strategy game engine (cross-platform, 3-d)

:video_game: Open Source teleportation based first person puzzle-platformer

OpenKO is an open source version of the old school Knight Online MMORPG. Specifically designed for version 1.298.

XLE -- the "hackable" 3D game rendering engine

Star Wars Jedi Knight II: Jedi Outcast

OpenLieroX - Liero clone / Worms realtime / 2D shooter

Seven Kingdoms: Ancient Adversaries - Go to the main source repository at https://sourceforge.net/projects/skfans/ for source code and builds

Cyan Worlds's Plasma game engine

This is the GitHub home of Race Into Space, the computer version of the Liftoff! board game by Fritz Bronner. It was developed by Strategic Visions and published by Interplay as a disk-based game in 1993 and a CD-ROM in 1994. It was open-sourced in 2005 and a number of improvements have been made over the original.

Roguelite dungeon crawler game

Modern Interpreter for the Commander Keen (Vorticon Dreams and Galaxy) and also Cosmos Cosmic Adventure games. This is a mirror repo: The main gitlab repository is at: https://gitlab.com/Dringgstein/Commander-Genius

An open source two-dimensional platform game.

An open source, cross-platform game engine designed for indie developers.

Egoboo is a working cool 3D dungeon crawling game in the spirit of NetHack for Windows, Linux and Mac.

Blackvoxel Video Game

A Pikmin-based game/engine for fan-made content.

Source code for cross-platform OpenGL gaming engine

Free software clone of Gunpoint

A physics platform game about a plucky wheeled robot named Polly.

Full open source real-time multiplayer Cocos2D-x game! Race against your friends or random people in real-time! UFO RUN is an online real-time multiplayer game for smart phones and tablets. You can be anywhere in the world and play with many players simultaneously. Play with your friends or get matched with random players from around the world!

Standard of Iron is an open-source, single-player real-time strategy game in which Rome and Carthage fight across an altered Second Punic War. Command whole formations from above, take direct control of a battlefield commander, build and defend supply lines, and carry Hannibal's army from the Rhône to Zama while the Iron Sepulcher gathers forces.

Quasi Engine is a framework that intends to be a complete toolset to ease 2d game development, providing ready-to-use QML elements representing basic game entities needed by most of games.

:checkered_flag: 2D car crashing game armageddon

Free/Libre Action Roleplaying Engine (engine only)

The Castles of Dr. Creep

No description.

Game engine made on C++ with OpenGL and SDL (Simple DirectMedia Layer)

OldSkoolGravityGame