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Open Source Game

258 projects

Showing 36 of 258 projects

osu!
osu!C#

A free-to-win rhythm game client with an open-source engine and support for custom gameplay rulesets.

#desktop-application#catch#music-game
Stars19.0k
Forks2.8k
Last commit14 hours ago
OpenRCT2
OpenRCT2C++

An open-source re-implementation of RollerCoaster Tycoon 2, adding modern features, multiplayer, and cross-platform support.

#multiplayer#msbuild#community-driven
Stars16.2k
Forks1.9k
Last commit10 hours ago
2048
2048JavaScript

A browser-based puzzle game where players combine numbered tiles to reach 2048.

#online-game#game#open-source-game
Stars13.4k
Forks17.6k
Last commit1 year ago
Cataclysm: Dark Days Ahead
Cataclysm: Dark Days AheadC++

A free, open-source, turn-based survival game set in a procedurally generated post-apocalyptic world.

#hacktoberfest#procedural-generation#crafting
Stars13.1k
Forks4.6k
Last commit4 hours ago
Unciv
UncivKotlin

An open-source, moddable Android and Desktop remake of Civilization V, built with LibGDX.

#civilization-v#civ#android
Stars11.2k
Forks1.9k
Last commit18 hours ago
BrowserQuest
BrowserQuestJavaScript

A multiplayer game experiment built with HTML5 and JavaScript for browser-based gameplay.

#client-server#game-development#open-source-game
Stars9.4k
Forks2.9k
Last commit3 years ago
OpenTTD
OpenTTDC++

An open-source transport simulation game based on Transport Tycoon Deluxe, featuring expanded gameplay and multiplayer support.

#multiplayer#sandbox#isometric
Stars8.2k
Forks1.3k
Last commit11 hours ago
citybound
cityboundRust

An open-source, multi-player city simulation game focusing on realism, collaborative planning, and microscopic detail simulation.

#urban-planning#simulation#city
Stars8.2k
Forks361
Last commit3 years ago
VVVVV
VVVVVActionScript

Open-source release of the 2010 indie puzzle-platformer VVVVVV, where you flip gravity instead of jumping.

#puzzle-platformer#sdl2#c-plus-plus
Stars8.0k
Forks601
Last commit14 days ago
Endless Sky
Endless SkyC++

A free, open-source sandbox space exploration game featuring trading, combat, missions, and an evolving storyline.

#ship-customization#mission-based#space-exploration
Stars7.5k
Forks1.3k
Last commit19 hours ago
The Battle for Wesnoth
The Battle for WesnothC++

An open-source, turn-based tactical strategy game with a high fantasy theme, featuring singleplayer campaigns and multiplayer combat.

#fantasy-game#fantasy#strategy-game
Stars6.9k
Forks1.2k
Last commit7 hours ago
Shattered Pixel Dungeon
Shattered Pixel DungeonJava

An open-source traditional roguelike dungeon crawler with randomized levels, enemies, and hundreds of items.

#dungeon-crawler#procedural-generation#ios
Stars6.5k
Forks1.6k
Last commit23 days ago
Minecraft
MinecraftPython

A simple Minecraft-inspired demo written in Python and Pyglet, designed as an educational tool for learning programming.

#graphics#educational#learning-tool
Stars5.4k
Forks1.3k
Last commit3 years ago
SuperTuxKart
SuperTuxKartC++

A free, fun-focused kart racing game with no realistic physics, offering single-player and online multiplayer modes.

#multiplayer#community-driven#opengl
Stars5.3k
Forks1.2k
Last commit3 days ago
The Powder Toy
The Powder ToyC++

A desktop physics sandbox game simulating air pressure, velocity, heat, and countless interactions between substances.

#sandbox#simulation#lua-scripting
Stars5.3k
Forks899
Last commit17 days ago
OpenSC2K
OpenSC2KJavaScript

An open-source JavaScript remake of SimCity 2000 with WebGL rendering and plans for enhanced features.

#simulation#city#2000
Stars5.1k
Forks113
Last commit6 years ago
Zelda3
Zelda3C

A reverse-engineered C implementation of The Legend of Zelda: A Link to the Past, playable from start to finish with modern enhancements.

#snes-emulation#emulator-development#zelda
Stars4.8k
Forks431
Last commit2 years ago
CorsixTH
CorsixTHLua

An open-source reimplementation of the 1997 business simulation game Theme Hospital, with modern OS support and new features.

#game-reimplementation#hospital-sim#strategy-game
Stars4.5k
Forks425
Last commit12 hours ago
Warzone 2100
Warzone 2100C++

A free, open-source 3D real-time strategy game with a story-driven campaign, online multiplayer, and customizable units.

#multiplayer#vulkan#single-player-campaign
Stars3.9k
Forks613
Last commit5 hours ago
Space Station 14
Space Station 14C#

A multiplayer game about paranoia and chaos on a space station, remaking the cult-classic Space Station 13.

#hacktoberfest#content-pack#csharp
Stars3.8k
Forks5.7k
Last commit5 hours ago
Thrive
ThriveC#

An open-source evolution simulation game where players guide a species from microscopic origins to space exploration.

#sandbox#science#simulation
Stars3.7k
Forks621
Last commit12 hours ago
fheroes2
fheroes2C++

An open-source recreation of the Heroes of Might and Magic II game engine with modern enhancements.

#multiplayer#heroes-of-might-and-magic#strategy-game
Stars3.5k
Forks479
Last commit15 hours ago
Julius
JuliusC

An open-source re-implementation of Caesar III with UI enhancements and multi-platform support.

#android-gaming#emscripten#citybuilder
Stars3.4k
Forks438
Last commit2 days ago
Pokete
PoketePython

A terminal-based Pokémon-like game written in Python, featuring turn-based battles, type systems, and mod support.

#turn-based#rpg#terminal
Stars3.2k
Forks256
Last commit3 months ago
SuperTux
SuperTuxC++

A free, open-source 2D jump'n'run game inspired by Super Mario Bros., featuring Tux the penguin on a quest to rescue Penny.

#2d-platformer#sdl3#hacktoberfest
Stars3.1k
Forks602
Last commit17 hours ago
Widelands
WidelandsC++

A free, open-source real-time strategy game inspired by Settlers II, featuring singleplayer campaigns and multiplayer mode.

#community-driven#lua-scripting#strategy
Stars3.0k
Forks209
Last commit23 hours ago
Dungeon Crawl: Stone Soup
Dungeon Crawl: Stone SoupC++

A roguelike dungeon crawler featuring tactical combat, diverse character skills, deity worship, and procedurally generated levels.

#dungeon-crawler#procedural-generation#fantasy-game
Stars3.0k
Forks1.7k
Last commit7 hours ago
ioquake3
ioquake3C

A community-maintained, open-source engine for Quake III Arena and Team Arena, providing modern enhancements and cross-platform support.

#quake3#fps-engine#sdl2
Stars2.8k
Forks616
Last commit1 month ago
Teeworlds
TeeworldsC++

A free retro multiplayer shooter with up to 16 players, featuring team deathmatch, capture the flag, and custom map creation.

#multiplayer#sdl2#opengl
Stars2.6k
Forks652
Last commit1 year ago
San Andreas Unity
San Andreas UnityC#

An open-source reimplementation of GTA San Andreas game engine in Unity, focusing on gameplay, multiplayer, and modding.

#multiplayer#unity3d#gta
Stars2.6k
Forks446
Last commit3 years ago
Hextris
HextrisJavaScript

A fast-paced HTML5 puzzle game inspired by Tetris, played on a hexagonal grid.

#tetris-inspired#web-game#casual-game
Stars2.4k
Forks1.1k
Last commit3 years ago
vkQuake
vkQuakeC

A Vulkan-based source port of id Software's Quake, offering enhanced graphics and performance over QuakeSpasm.

#vulkan#mod-support#graphics
Stars2.3k
Forks280
Last commit12 hours ago
Mario-Level-1
Mario-Level-1Python

A Python and Pygame recreation of the first level from Super Mario Bros for educational purposes.

#2d-platformer#educational#python
Stars2.2k
Forks760
Last commit3 years ago
OpenXcom
OpenXcomC++

An open-source clone of the classic 'UFO: Enemy Unknown' and 'X-COM: Terror From the Deep' strategy games.

#xcom#turn-based#sdl
Stars2.2k
Forks580
Last commit3 months ago
Hauberk
HauberkDart

A browser-based roguelike dungeon crawler with ASCII graphics, procedurally generated content, and built with Dart.

#dart#dungeon-crawler#procedural-generation
Stars2.2k
Forks214
Last commit13 hours ago
ClassiCube
ClassiCubeC

A custom Minecraft Classic client written in C from scratch, offering enhanced performance and cross-platform support.

#multiplayer#singleplayer#minecraft-classic
Stars2.0k
Forks334
Last commit9 hours ago
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Related Tags

#Game Development127#Game94#Cross Platform94#Retro Gaming62#Game Engine47#2d Game43#C Plus Plus40#Godot Engine40#Multiplayer35#Browser Game34#Sdl229#Puzzle Game28
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