Lessons from Open-Source Game Projects

• Unvanquished

  12 943 9.5 C++

  An FPS/RTS hybrid game powered by the Daemon engine (a combination of ioq3 and XreaL)

  

Unvanquished - FPS arena game with some RTS elements. C++, libRocket

• Vangers

  15 628 5.4 C++

  The video game that combines elements of the racing and role-playing genres.

  

Vangers - Racing Game with Role-Playing elements, available on Steam. C++, C, SDL2

• InfluxDB

  www.influxdata.com sponsored

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• bemuse

  12 1,108 0.0 TypeScript

  ⬤▗▚▚▚ Web-based online rhythm action game. Based on HTML5 technologies, React, Redux and Pixi.js.

  

Bemuse - Web-based rhythm game. Typescript, Javascript, React, Redux, PixiJS

• openmw

  50 5,135 10.0 C++

  OpenMW is an open-source open-world RPG game engine that supports playing Morrowind. Main repo and issue tracker can be found here: https://gitlab.com/OpenMW/openmw/

  

OpenMW - The Elder Scrolls Morrowind clone. C++, OpenGL

• Ikemen-GO

  8 618 9.5 Go

  An open-source fighting game engine that supports MUGEN resources.

  

Ikemen-GO - Remake of the IKEMEN (open-source fighting games engine that supports M.U.G.E.N resources). GO, GLFW, OpenGL

• carnage3d

  1 455 0.0 C++

  Reimplementation of Grand Theft Auto 1 [GTA1]

Carnage3D - GTA 1 clone. C++, C, GLFW, GLEW, Box2D

• re3

  8 1,986 0.0 C++

RE3 - GTA 3 clone. C++, DX9, OpenGL

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

• SanAndreasUnity

  1 2,027 - C#

  Discontinued Open source reimplementation of GTA San Andreas game engine in Unity [Moved to: https://github.com/in0finite/SanAndreasUnity] (by GTA-ASM)

San Andreas Unity - GTA San Andreas clone in Unity. C#

• donut

  11 384 0.0 C++

  Open source reimplementation of The Simpsons: Hit & Run (by plowteam)

  

donut - Simpson's Hit & Run clone. C++, OpenGL, SDL2

• OpenMB

  1 113 3.9 C#

  Open Source role-playing game engine for Taleworlds' Mount&Blade Series written in C# using Ogre3d Engine

OpenMB - Mount & Blade clone. C#, Oger3D

• OpenTomb

  1 1,368 - C++

  An open-source Tomb Raider 1-5 engine remake

  

OpenTomb - Tomb Raider 1-5 clone. C++, C, Lua, OpenGL, SDL2

• RigelEngine

  8 878 5.8 C++

  A modern re-implementation of the classic DOS game Duke Nukem II

Rigel Engine - Duke Nukem 2 clone. C++, C, OpenGL, SDL2

• doomretro

  4 625 9.9 C

  The classic, refined DOOM source port. For Windows PC.

Doom Retro - Doom source port for Windows. C, SDL2

• supertux

  7 2,439 9.7 C++

  SuperTux source code

  

SuperTux - Platformer inspired by Mario Brothers. C++, SDL2

• TSC

  1 203 1.9 C++

  An open source two-dimensional platform game. (by Secretchronicles)

  

The Secret Chronicles of Dr M - 2D Platformer. C++, OpenGL, SFML

• godot-platformer-2d

  2 581 0.0 GDScript

  2d Metroidvania-inspired game for the 2019 GDquest Godot Kickstarter course project.

  

Godot Open 2D Platformer - Metroidvania inspired Platformer made with Godot. GDScript, Godot

• Commander-Genius

  1 - -

Commander Genius - Commander Keen 1-6 clone. C++, OpenGL, SDL2

• jazz2-native

  2 485 9.4 C++

  🎮 · Jazz² Resurrection: Native C++ reimplementation of Jazz Jackrabbit 2

Jazz 2 Resurrection - Jazz Jack Rabbit 2 clone. C++, OpenGL, SDL2

• nxengine-evo

  16 468 4.9 C

  nxengine refactoring

  

nXEngine-evo - Cave Story clone. C++, SDL2

• SDLPoP

  16 1,057 4.2 C

  An open-source port of Prince of Persia, based on the disassembly of the DOS version.

SDLPoP - Prince of Persia clone based on DOS disassembly. C, SDL2

• zelda3

  64 4,111 4.9 C

Zelda3 - Zelda 3 clone. C, SDL2

• ZQuestClassic

  11 450 9.9 C++

  ZQuest Classic is a game engine for creating games similar to the original NES Zelda

  

ZQuest Classic - Engine to play and create games like the original Zelda. C++, OpenGL

• scummvm

  165 2,206 10.0 C++

  ScummVM main repository

  

ScummVM - Engine to run DOS Point & Click Adventure games. C++, SDL2, OpenGL

• rawgl

  4 141 7.8 C++

  Discontinued Another World/Out of This World engine reimplementation (SDL, OpenGL)

raw(gl) - Another World clone. C++, SDL2

• angband

  21 1,261 9.4 C

  A free, single-player roguelike dungeon exploration game

  

Angband - Roguelike Dungeon Crawler. C

• A Dark Room

  7 6,985 4.4 JavaScript

  A Dark Room - A Minimalist Text Adventure

  

A Dark Room - Text Adventure with survival and city-building elements. JavaScript

• ranviermud

  14 785 0.0 JavaScript

  A node.js based MUD game engine

  

Ravenier - MUD server (text-based MMORPG). Javascript, Node.js

• evennia

  43 1,717 9.7 Python

  Python MUD/MUX/MUSH/MU* development system

  

Evennia - MUD server (text-based MMORPG). Python

• CoffeeMud

  3 178 9.7 Java

  Full featured, mature MUD supporting MSP, MXP, OLC, with a web server, mail server, and MORE!

CoffeeMud - MUD server (text-based MMORPG). Java

• Mudlet

  14 699 9.2 C++

  ⚔️ A cross-platform, open source, and super fast MUD client with scripting in Lua

  

Mudlet - Client to connect to a MUD server, scriptable. C++, Lua

• RenPy

  181 4,548 9.9 Ren'Py

  The Ren'Py Visual Novel Engine

  

Ren'Py - Visual Novel Engine. Python, Cython, C

• LearnToCodeRPG

  1 1,025 0.6 Ren'Py

  A visual novel video game where you learn to code and get a dev job 🎯

  

Learn to Code RPG - Visual Novel that teaches you to code, created with Ren'Py. Ren'Py, Python

• Bathory

  1 1 - Ren'Py

  Visual novel, initially made for Narrative Driven Jam 7

Bathory - Visual Novel created with Ren'Py. Ren'Py

• TheParallaxDoor

  1 0 - Ren'Py

  Visual Novel Game with specially designed assets for the game

The Parallax Door - Visual Novel created with Ren'Py. Ren'Py

• flare-engine

  3 1,069 8.1 C++

  Free/Libre Action Roleplaying Engine (engine only)

  

Flare Engine - ARPG Engine inspired by Diablo 2. C++, SDL2

• flare-game

  16 1,093 5.7 Python

  Fantasy action RPG using the FLARE engine

  

Flare Game - ARPG, the Flare engine was created for. Plain Text, Python

• OpenDiablo2

  15 10,063 8.3 Go

  Discontinued An open source re-implementation of Diablo 2

  

OpenDiablo2 - Diablo 2 clone. Go

• OpenEnroth

  15 683 9.9 C++

  Open reimplementation of Might and Magic 6 7 8 game engine

  

OpenEnroth - Might&Magic VI-VIII clone. C++, OpenGL

• OpenGothic

  25 1,057 9.5 C++

  Reimplementation of Gothic 2 Notr

OpenGothic - Gothic 2 clone. C++, DX12, Vulkan, Metal

• OpenVIII-monogame

  1 620 - C#

  Open source Final Fantasy VIII engine implementation in C# working on Windows and Linux (Android and iOS planned too!) [Monogame]

OpenVIII - Final Fantasy VIII clone. C#, MonoGame

• riiablo

  3 843 5.9 Java

  Diablo II remade using Java and LibGDX

Riiablo - Diablo 2 clone. Java, LibGDX, OpenGL

• mangos-classic

  7 855 9.5 C++

  C(ontinued)-MaNGOS (Classic fork) is about: -- Doing WoW-Emulation Right!

  

CMangos Classic - World of Warcraft: Classic server emulation. C++

• azerothcore-wotlk

  46 5,869 9.9 C++

  Complete Open Source and Modular solution for MMO

  

Azerothcore - World of Warcraft: Wrath of the Lich King server emulation. C++

• runelite

  327 4,578 9.8 Java

  Open source Old School RuneScape client

  

Runelite - Open Source old-school RuneScape client. Java

• ryzomcore

  4 324 7.8 C++

  Ryzom Core is the open-source project related to the Ryzom game. This community repository is synchronized with the Ryzom Forge repository, based on the Core branch.

  

Ryzom - Commercial MMORPG available on Steam went open source. C++

• OpenTTD

  249 5,927 9.9 C++

  OpenTTD is an open source simulation game based upon Transport Tycoon Deluxe

  

OpenTTD - Open source simulation game based upon Transport Tycoon Deluxe. C++, SDL2

• rigs-of-rods

  4 970 9.2 C++

  Main development repository for Rigs of Rods soft-body physics simulator

  

Rogs of Rods - Soft-body physics simulator mainly targeted at simulating vehicle physics. C++, OpenGL

• FreeSO

  23 793 6.7 C#

  Re-implementation of The Sims Online.

FreeSO - The Sims Online and The Sims 1 clone. C#

• OpenRCT2

  206 12,915 9.9 C++

  An open source re-implementation of RollerCoaster Tycoon 2 🎢

  

OpenRCT2 - Roller Coster Tycoon 2 clone. C++, SDL2, OpenGL

• Librelancer

  10 481 9.5 C#

  A re-implementation of Freelancer

  

Librelancer - Freelancer clone. C#, OpenGL

• fs2open

  9 - -

fs2open - FreeSpace 2 clone. C++, SDL2

• CorsixTH

  26 3,854 8.8 Lua

  Open source clone of Theme Hospital

  

CrosixTH - Theme Hospital clone. Lua, C++

• keeperfx

  23 681 9.8 C

  Open source remake and Fan Expansion of Dungeon Keeper.

  

Keeper FX - Dungeon Keeper clone. C

• keeperrl

  3 832 9.7 C++

  Source code of KeeperRL

KeeperRL - Dungeon Keeper inspired, available on Steam. C++

• openage

  56 12,390 9.6 Python

  Free (as in freedom) open source clone of the Age of Empires II engine :rocket:

  

[openage]https://github.com/SFTtech/openage) - Age of Empires II clone. Python, C++

• 0ad

  142 2,650 9.1 C++

  Git mirror of the 0 A.D. source code (http://trac.wildfiregames.com/browser)

  

0. A.D. - RTS. C++, C

• godot-port

  9 638 6.2 GDScript

  Unknown Horizons Godot Engine Port

  

Unknown Horizons - Real-time strategy and city-building game. Godot, GDScript

• fheroes2

  149 2,520 9.8 C++

  fheroes2 is a recreation of Heroes of Might and Magic II game engine.

fhearos2 - Heroes of Might and Magic II clone. C++, SDL2

• glsmac

  7 346 9.4 C++

  Unofficial open-source OpenGL/SDL2 reimplementation of Sid Meier's Alpha Centauri ( + Alien Crossfire )

GLSMAC - Sid Meier's Alpha Centauri clone. C++, OpenGL, SDL2

• julius

  73 2,554 7.3 C

  An open source re-implementation of Caesar III

Julius) - Caesar 3 clone. C, SDL2

• openblack

  16 835 8.9 C++

  openblack is an open-source game engine that supports playing Black & White (2001).

  

openblack - Black & White clone. C++, OpenGL, Vulkan

• OpenSC2K

  3 4,919 10.0 JavaScript

  OpenSC2K - An Open Source remake of Sim City 2000 by Maxis

OpenSC2K - Sim City 2000 clone. JavaScript, TypeScript, WebGL canvas, Physer 3

• OpenXcom

  64 1,822 7.0 C++

  Open-source clone of the original X-Com 👽

  

OpenXCOM - XCOM clone. C++, SDL2

• s25client

  2 462 8.6 C++

  Return To The Roots (Settlers II(R) Clone)

  

Return to the Roots - The Settlers 2 clone. C++, SDL2

• Sourcehold

  2 244 1.9 C++

  Open source re-implementation of Stronghold 1

  

Sourcehold - Stronghold 1 clone. C++, SDL2

• vcmi

  64 3,902 10.0 C++

  Open-source engine for Heroes of Might and Magic III

  

VCMI - Heroes of Might and Magic III clone. C++, SDL2

• warcraft-remake

  1 - -

Warcraft Remake - Warcraft: Orcs & Humans clone. Java

• Mindustry

  272 21,073 9.9 Java

  The automation tower defense RTS

Mindustry - The automation tower defence RTS. Java

• Minetest

  121 10,046 9.8 C++

  Minetest is an open source voxel game-creation platform with easy modding and game creation

  

Minetest - Minecraft-inspired voxel game engine. C++

• Terasology

  18 3,620 8.7 Java

  Terasology - open source voxel world

  

Terasology - Minecraft-inspired voxel game. Java

• sandspiel

  22 2,915 5.5 Rust

  Creative cellular automata browser game

• The-Powder-Toy

  69 4,336 9.5 C++

  Written in C++ and using SDL, The Powder Toy is a desktop version of the classic 'falling sand' physics sandbox, it simulates air pressure and velocity as well as heat.

  

The Power Toy - Physics Sandbox. C++, SDL2

• stk-code

  21 4,322 8.1 C++

  The code base of supertuxkart

  

SuperTuxKart - Mario Kart inspired racing game. C++, C, OpenGL, SDL2

• pokerth

  3 477 3.1 C++

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

  

PokerTH - Poker Game. C++, QT5

• lila

  794 14,578 10.0 Scala

  ♞ lichess.org: the forever free, adless and open source chess server ♞

  

Lichess - Online Chess Server. Scala, TypeScript

• Enigma

  1 122 - C++

  Enigma is a puzzle game inspired by Oxyd on the Atari ST and Rock'n'Roll on the Amiga. The object of the game is to find uncover pairs of identically colored Oxyd stones. Simple? Yes. Easy? Certainly not! Hidden traps, vast mazes, laser beams, and, most of all, countless hairy puzzles usually block your direct way to the Oxyd stones … (by Enigma-Game)

  

Enigma - Puzzle Game. C++, C, SDL2

• SaaSHub

  www.saashub.com sponsored

  SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

  

Suggest a related project