Awesome Open Source Games

bkaradzic/bgfx

Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library.

Stack

C

GitHub topics

#d3d11 #d3d12 #directx #directx-11 #directx-12 #engine

Updated: 2026-06-10
Lists: 1 list mention
First commit: 2012-04-04
License: BSD-2-Clause
Issues: 294 open

17,140

stars

Forks: 2,101
Commits: 9,288 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

OpenRCT2/OpenRCT2

An open source re-implementation of RollerCoaster Tycoon 2 🎢

Stack

C++ Android CMake .NET SDK Gradle

GitHub topics

#c-plus-plus #cmake #cpp #discord #game #hacktoberfest

Updated: 2026-06-11
Lists: 2 list mentions
First commit: 2014-04-01
License: GPL-3.0
Issues: 1,618 open

15,818

stars

Forks: 1,818
Commits: 30,172 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

SFTtech/openage

Clone of the Age of Empires II engine 🚀

Stack

Python CMake pip

GitHub topics

#age-of-empires #c-plus-plus #cmake #cpp #cpp20 #engine

Updated: 2026-06-07
Lists: 1 list mention
First commit: 2013-08-22
License: NOASSERTION
Issues: 213 open

14,245

stars

Forks: 1,248
Commits: 5,815 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

SFML/SFML

Simple and Fast Multimedia Library

Stack

C++ Android CMake Gradle

GitHub topics

#audio #c-plus-plus #cross-platform #games #graphics #hacktoberfest

Updated: 2026-05-29
Lists: 1 list mention
First commit: 2009-01-28
License: Zlib
Issues: 151 open

11,900

stars

Forks: 1,894
Commits: 3,953 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

fogleman/Craft

A simple Minecraft clone written in C using modern OpenGL (shaders).

Stack

C CMake

GitHub topics

#c #game #glsl #minecraft #multiplayer #opengl

Updated: 2024-04-03
Lists: 1 list mention
First commit: 2013-04-09
License: MIT
Issues: 127 open

11,019

stars

Forks: 1,434
Commits: 753 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

endless-sky/endless-sky

Space exploration, trading, and combat game.

Stack

C++ CMake vcpkg

GitHub topics

#2d-game #adventure-game #arcade-game #c-plus-plus #cpp #endless-sky

Updated: 2026-06-09
Lists: 1 list mention
First commit: 2014-02-01
License: GPL-3.0
Issues: 908 open

7,374

stars

Forks: 1,262
Commits: 9,859 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

spring/spring

A powerful free cross-platform RTS game engine. - Report issues at https://springrts.com/mantis/

Stack

C++ CMake Maven

GitHub topics

#c-plus-plus #game-engine #lua #opengl #real-time-strategy #rts

Updated: 2024-03-31
Lists: 1 list mention
First commit: 2005-05-04
License: NOASSERTION
Issues: Disabled

3,910

stars

Forks: 865
Commits: 28,426 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

SuperTux/supertux

SuperTux source code

Stack

C++ Android CMake Gradle vcpkg

GitHub topics

#c-plus-plus #game #games #hacktoberfest #opengl #sdl

Updated: 2026-06-11
Lists: 1 list mention
First commit: 2003-04-09
License: GPL-3.0
Issues: 367 open

3,049

stars

Forks: 582
Commits: 14,579 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

teeworlds/teeworlds

A retro multiplayer shooter

Stack

C++ CMake

GitHub topics

#c #c-plus-plus #game #linux #macos #multiplayer

Updated: 2025-07-12
Lists: 2 list mentions
First commit: 2007-05-22
License: NOASSERTION
Issues: 360 open

2,618

stars

Forks: 645
Commits: 6,560 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

liballeg/allegro5

The official Allegro 5 git repository. Pull requests welcome!

Stack

C Android CMake Gradle

GitHub topics

#android #audio #c #game-development #linux #macos

Updated: 2026-06-09
Lists: 1 list mention
First commit: 2000-05-14
License: NOASSERTION
Issues: 385 open

2,102

stars

Forks: 318
Commits: 12,167 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

taisei-project/taisei

A free and open-source Touhou Project fangame

Stack

C Meson

GitHub topics

#c #danmaku #game #glsl #opengl #sdl

Updated: 2026-06-11
Lists: 1 list mention
First commit: 2010-10-12
License: NOASSERTION
Issues: 33 open

1,551

stars

Forks: 123
Commits: 4,557 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

AdamsLair/duality

a 2D Game Development Framework

Archived

Stack

C# .NET SDK

GitHub topics

#c-sharp #csharp #dotnet #duality #framework #game-development

Updated: 2025-05-19
Lists: 1 list mention
First commit: 2013-07-21
License: MIT
Issues: 136 open

1,428

stars

Forks: 287
Commits: 3,603 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

yvt/openspades

Compatible client of Ace of Spades 0.75

Stack

C++ CMake

GitHub topics

#ace-of-spades #action-game #c-plus-plus #cmake #cross-platform-game #fps

Updated: 2024-06-06
Lists: 2 list mentions
First commit: 2013-08-18
License: GPL-3.0
Issues: 248 open

1,217

stars

Forks: 229
Commits: 2,167 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

arx/ArxLibertatis

Cross-platform port of Arx Fatalis, a first-person role-playing game

Stack

C++ Qt CMake

GitHub topics

#arx-fatalis #c-plus-plus #cmake #cross-platform #dungeon-crawler #game

Updated: 2024-08-22
Lists: 1 list mention
First commit: 2011-01-15
License: GPL-3.0
Issues: Disabled

1,064

stars

Forks: 146
Commits: 21,738 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

ddnet/ddnet

DDraceNetwork, a free cooperative platformer game

Stack

C++ Android Warp Cargo CMake Gradle

GitHub topics

#2d-game #ddnet #game #hacktoberfest #linux #macos

Updated: 2026-06-11
Lists: 2 list mentions
First commit: 2007-05-22
License: NOASSERTION
Issues: 978 open

784

stars

Forks: 612
Commits: 24,780 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

GlPortal/glPortal

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

Stack

C++ CMake

GitHub topics

#3d #game #hacktoberfest #opengl #physics #sdl

Updated: 2024-10-05
Lists: 1 list mention
First commit: 2012-09-07
License: NOASSERTION
Issues: 17 open

378

stars

Forks: 115
Commits: 2,079 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

Kromster80/kam_remake

"KaM Remake" is an RTS game remake written in Delphi from scratch.

Archived

Stack

Pascal

GitHub topics

#delphi #game #indie #kam-remake #knights-and-merchants #opengl

Updated: 2022-06-01
Lists: 1 list mention
First commit: 2008-04-23
License: AGPL-3.0
Issues: 97 open

375

stars

Forks: 99
Commits: 7,701 commits
Star growth, last 7 days: 0 0.0%
Commit velocity, last 7 days: 0 0.0%

Website GitHub

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