An open API service indexing awesome lists of open source software.

open-source-games

A list of open source games.
https://github.com/bobeff/open-source-games

Last synced: 7 days ago
JSON representation

  • Other lists

  • Turn-Based strategies

      • Freeciv - A Free and Open Source empire-building strategy game. [[source]](https://github.com/freeciv/freeciv)
      • C-evo - A freeware empire-building game for Windows. [[source]](http://c-evo.org/files/files.php)
      • VCMI Project - Open-source engine for Heroes of Might and Magic III. [[source]](https://github.com/vcmi/vcmi)
      • Athena Crisis - A modern-retro turn-based tactical strategy game. [[source]](https://github.com/nkzw-tech/athena-crisis)
      • OpenPanzer - Javascript/HTML5 rewrite of Panzer General 2 game. [[source]](https://github.com/nicupavel/openpanzer)
    • **[Westwood Studios](https://en.wikipedia.org/wiki/Westwood_Studios) and [EA](https://en.wikipedia.org/wiki/Electronic_Arts) Games from [Command & Conquer](https://en.wikipedia.org/wiki/Command_%26_Conquer) Series**

      • FreeCol - A turn-based strategy game based on the old game Colonization, and similar to Civilization. [[source]](https://github.com/FreeCol/freecol)
      • FreeOrion - A free, open source, turn-based space empire and galactic conquest (4X) computer game. [[source]](https://github.com/freeorion/freeorion)
      • OpenXcom - An open-source clone of the popular "**UFO: Enemy Unknown**" and "**X-COM: Terror From the Deep**" videogames by Micropros. [[source]](https://github.com/OpenXcom/OpenXcom)
      • The Battle for Wesnoth - A turn-based strategy game with a high fantasy theme. [[source]](https://github.com/wesnoth/wesnoth)
      • Unciv - Open-source Android/Desktop remake of Civilization V. [[source]](https://github.com/yairm210/Unciv)
      • [source
      • Freeciv - A Free and Open Source empire-building strategy game. [[source]](https://github.com/freeciv/freeciv)
      • C-evo - A freeware empire-building game for Windows. [[source]](http://c-evo.org/files/files.php)
    • *[Diablo](https://en.wikipedia.org/wiki/Diablo_(series)) Re-Implementations*

      • Ancient Beast - A turn based strategy indie game project played online against other people. [[source]](https://github.com/FreezingMoon/AncientBeast)
      • fheroes2 - A recreation of [Heroes of Might and Magic II](https://en.wikipedia.org/wiki/Heroes_of_Might_and_Magic_II) game engine. [[source]](https://github.com/ihhub/fheroes2)
    • *Massively Multiplayer Online Role-Playing Games*

      • Hnefatafl - The game of Copenhagen Hnefatafl. Sort of like chess. [[source]](https://github.com/dcampbell24/hnefatafl)
      • Athena Crisis - A modern-retro turn-based tactical strategy game. [[source]](https://github.com/nkzw-tech/athena-crisis)
      • OpenPanzer - Javascript/HTML5 rewrite of [Panzer General II](https://en.wikipedia.org/wiki/Panzer_General_II) game. [[source]](https://github.com/nicupavel/openpanzer)
      • VCMI Project - Open-source engine for [Heroes of Might and Magic III](https://en.wikipedia.org/wiki/Heroes_of_Might_and_Magic_III). [[source]](https://github.com/vcmi/vcmi)
  • City-Building games

    • Citybound - A city building game that uses microscopic models to vividly simulate the organism of a city arising from the interactions of millions of individuals. [[source]](https://github.com/citybound/citybound)
    • Cities: Skylines
    • Cytopia - A free, open source retro pixel-art city building game. [[source]](https://github.com/CytopiaTeam/Cytopia)
    • micropolisJS - A handmade Javascript port of the open-source city simulator Micropolis. [[source]](https://github.com/graememcc/micropolisJS)
    • Akhenaten - A strategic city-building game, based on assets and gameplay mechanics from *[Pharaoh + Cleopatra](https://en.wikipedia.org/wiki/Pharaoh_(video_game))* title, where players take on the role of a ruler and mayor of ancient Egyptian civilization. [[source]](https://github.com/dalerank/Akhenaten)
    • Unknown Horizons - A 2D realtime strategy simulation with an emphasis on economy and city building. [[source]](https://github.com/unknown-horizons/unknown-horizons) [[engine-source]](https://github.com/fifengine/fifengine) [[godot-port]](https://github.com/unknown-horizons/godot-port)
    • [source
    • [source
    • [source
    • [source
    • Caesar III
    • IsoCity - Isometric city-building simulation game built with NextJS, TypeScript and TailwindCSS. [[source]](https://github.com/amilich/isometric-city)
    • micropolisJS - A handmade Javascript port of the open-source city simulator *[Micropolis](https://mvolution.itch.io/micropolis)*. [[source]](https://github.com/graememcc/micropolisJS)
    • Unknown Horizons - A 2D realtime strategy simulation with an emphasis on economy and city building.
  • Platformers

    • **[id Software](https://en.wikipedia.org/wiki/Id_Software) Games**

      • DDraceNetwork - Cooperative 2D online platformer. [[source]](https://github.com/ddnet/ddnet)
      • OpenGOAL - This project is to port **Jak & Daxter Series** to PC. [[source]](https://github.com/water111/jak-project)
      • [source
    • *[id Software](https://en.wikipedia.org/wiki/Id_Software) Games*

      • DDraceNetwork - Cooperative 2D online platformer. [[source]](https://github.com/ddnet/ddnet)
      • Fish Folk
      • Jumpy - A tactical 2D shooter. [[source]](https://github.com/fishfolk/jumpy) **Engine: [Bevy](https://bevy.org/)** [[source]](https://github.com/bevyengine/bevy)
      • Frogatto & Friends - An action-adventure platformer game, starring a certain quixotic frog. [[source]](https://github.com/frogatto/frogatto) **Engine: Anura** [[source]](https://github.com/anura-engine/anura)
      • OpenGOAL - This project is to port [Jak & Daxter Series](https://en.wikipedia.org/wiki/Jak_and_Daxter) to PC. [[source]](https://github.com/water111/jak-project)
      • Sonic Robo Blast 2 - A 3D open-source Sonic the Hedgehog fangame built on Doom. [[source]](https://git.do.srb2.org/STJr/SRB2)
  • Role-Playing games

    • *[Diablo](https://en.wikipedia.org/wiki/Diablo_(series)) Re-Implementations*

      • Diablo 2
      • DevilutionX - A port of [Diablo](https://en.wikipedia.org/wiki/Diablo_(video_game)) and [Hellfire](https://en.wikipedia.org/wiki/Diablo:_Hellfire) that strives to make it simple to run the game while providing engine improvements, bugfixes, and some optional quality of life features. [[source]](https://github.com/diasurgical/devilutionX)
      • Daggerfall Unity - An open source recreation of [Daggerfall](https://en.wikipedia.org/wiki/The_Elder_Scrolls_II:_Daggerfall) in the Unity engine. [[source]](https://github.com/Interkarma/daggerfall-unity)
      • Naev - A 2d action/rpg space game that combines elements from the action, rpg and simulation genres. [[source]](https://github.com/naev/naev)
      • OpenMW - A free, open source, and modern engine which re-implements and extends the 2002 Gamebryo engine for the open-world role-playing game **The Elder Scrolls III: Morrowind**. [[source]](https://github.com/OpenMW/openmw)
      • Space Station 14 - source remake of **Space Station 13**. [[source]](https://github.com/space-wizards/space-station-14)
      • Ultima VII: Revisited - A replacement engine for Ultima VII that presents the game in 3D and fixes various issue with the game. [[source]](https://github.com/ViridianGames/U7Revisited)
    • **[Westwood Studios](https://en.wikipedia.org/wiki/Westwood_Studios) and [EA](https://en.wikipedia.org/wiki/Electronic_Arts) Games from [Command & Conquer](https://en.wikipedia.org/wiki/Command_%26_Conquer) Series**

    • *[Westwood Studios](https://en.wikipedia.org/wiki/Westwood_Studios) and [EA](https://en.wikipedia.org/wiki/Electronic_Arts) Games from [Command & Conquer](https://en.wikipedia.org/wiki/Command_%26_Conquer) Series*

      • Ambermoon.net - A full C# rewrite of [Ambermoon](https://en.wikipedia.org/wiki/Ambermoon). [[source]](https://github.com/Pyrdacor/Ambermoon.net)
      • Fallout 2 - ce)
      • Baldur's Gate II: Shadows of Amn
      • Icewind Dale
      • Icewind Dale II
      • Planescape: Torment
      • Might and Magic VI-VIII
      • Star Wars: Knights of the Old Republic
      • Daggerfall Unity - An open source recreation of [Daggerfall](https://en.wikipedia.org/wiki/The_Elder_Scrolls_II:_Daggerfall) in the Unity engine. [[source]](https://github.com/Interkarma/daggerfall-unity)
      • Exult - A project to recreate [Ultima VII](https://en.wikipedia.org/wiki/Ultima_VII:_The_Black_Gate) for modern operating systems. [[source]](https://github.com/exult/exult)
      • Naev - A 2d action/rpg space game that combines elements from the action, rpg and simulation genres. [[source]](https://codeberg.org/naev/naev)
      • OpenMW - A free, open source, and modern engine which re-implements and extends the 2002 Gamebryo engine for the open-world role-playing game [The Elder Scrolls III: Morrowind](https://en.wikipedia.org/wiki/The_Elder_Scrolls_III:_Morrowind). [[source]](https://github.com/OpenMW/openmw)
      • Severed Chains - [The Legend of Dragoon](https://en.wikipedia.org/wiki/The_Legend_of_Dragoon) decompiled, reverse engineered, and ported to PC/Mac/Linux/Steam Deck. [[source]](https://github.com/Legend-of-Dragoon-Modding/Severed-Chains)
      • Space Station 14 - source remake of [Space Station 13](https://en.wikipedia.org/wiki/Space_Station_13). [[source]](https://github.com/space-wizards/space-station-14)
      • Ultima VII: Revisited - A replacement engine for [Ultima VII](https://en.wikipedia.org/wiki/Ultima_VII:_The_Black_Gate) that presents the game in 3D and fixes various issues with the game. [[source]](https://github.com/ViridianGames/U7Revisited)
    • *Massively Multiplayer Online Role-Playing Games*

  • First-Person games

    • **[id Software](https://en.wikipedia.org/wiki/Id_Software) Games**

      • Doom 3 - [[source]](https://github.com/id-Software/DOOM-3-BFG)
      • Quake III Arena - [[source]](https://github.com/id-Software/Quake-III-Arena)
      • [source
      • [source
      • [source
      • Doom 64 - RE)
      • Quake II - [[source]](https://github.com/id-Software/Quake-2)
      • Wolfenstein 3D - [[source]](https://github.com/id-Software/wolf3d)
      • Catacomb 3-D
      • Chocolate Doom - A Doom source port that accurately reproduces the experience of Doom as it was played in the 1990s. [[source]](https://github.com/chocolate-doom/chocolate-doom)
      • FTEQW - Powerful engine for playing and modding idTech based games. [[source]](https://github.com/fte-team/fteqw)
      • [source
    • *[Aliens Versus Predator](https://en.wikipedia.org/wiki/Aliens_Versus_Predator_(1999_video_game)) game source ports*

      • Anarch - This isn't a 90s style retro shooter, this is a 90s shooter. [[source]](https://gitlab.com/drummyfish/anarch)
      • Cube 2: Sauerbraten - A free multiplayer & singleplayer first person shooter. [[source]](https://sourceforge.net/projects/sauerbraten)
      • Liblast - A Libre Multiplayer FPS Game built with Godot 4 engine and a fully open-source toolchain. [[source]](https://codeberg.org/liblast/liblast) [[engine source]](https://github.com/godotengine/godot)
      • Descent 3 - A first-person shooter video game/ [[source]](https://github.com/kevinbentley/Descent3)
      • [source
      • [source
      • [source
      • [source
      • [source
      • [source
      • Cube 2: Sauerbraten - A free multiplayer & singleplayer first person shooter. [[source]](https://sourceforge.net/projects/sauerbraten)
      • [source
      • .kkrieger - A first-person shooter video game created by German demogroup .theprodukkt (a former subdivision of [Farbrausch](https://en.wikipedia.org/wiki/Farbrausch)), which won first place in the 96k game competition at [Breakpoint](https://en.wikipedia.org/wiki/Breakpoint_(demoparty)) in April 2004. [[source]](https://github.com/farbrausch/fr_public/tree/master/werkkzeug3_kkrieger)
      • Cube 2: Sauerbraten - A free multiplayer & singleplayer first person shooter. [[source]](https://sourceforge.net/projects/sauerbraten)
      • AssaultCube - A FREE, multiplayer, first-person shooter game. [[source]](https://github.com/assaultcube/AC) **Engine: [CUBE](http://cubeengine.com)** [[source]](https://github.com/bsegovia/cube)
      • Unreal Tournament
      • Anarch - This isn't a 90s style retro shooter, this is a 90s shooter. [[source]](https://gitlab.com/drummyfish/anarch)
      • AssaultCube - A FREE, multiplayer, first-person shooter game. [[source]](https://github.com/assaultcube/AC) **Engine: [CUBE](http://cubeengine.com)** [[source]](https://github.com/bsegovia/cube)
      • Liblast - A Libre Multiplayer FPS Game built with Godot 4 engine and a fully open-source toolchain. [[source]](https://codeberg.org/liblast/liblast) **Engine: [Godot](https://godotengine.org)** [[source]](https://github.com/godotengine/godot)
      • Red Eclipse - An old-school arena shooter for the modern age. [[source]](https://github.com/redeclipse/base) **Engine: [CUBE](https://www.redeclipse.net)** [[source]](https://github.com/bsegovia/cube)
      • The Dark Mod - First-person stealth video game. [[source]](https://svn.thedarkmod.com/publicsvn/darkmod_src/trunk)
    • *[Build engine](https://en.wikipedia.org/wiki/Build_(game_engine)) [[source]](https://advsys.net/ken/buildsrc) based games*

      • NBlood - Reverse-engineered ports of Build games using EDuke32 engine technology and development principles (NBlood/Rednukem/PCExhume d) [[source]](https://github.com/NBlood/NBlood)
      • EDuke32 - The official EDuke32 Git repository: home to the source code to EDuke32, [Ion Fury](https://en.wikipedia.org/wiki/Ion_Fury), VoidSW, Mapster32, and related projects based on the Build Engine.
      • Duke Nukem 3D - By [3D Realms Entertainment, Inc](https://en.wikipedia.org/wiki/3D_Realms). [[source]](https://github.com/videogamepreservation/dukenukem3d)
      • [source
      • JFDuke3D - Port of the [3D Realms](https://en.wikipedia.org/wiki/3D_Realms) game [Duke Nukem 3D](https://en.wikipedia.org/wiki/Duke_Nukem_3D) [[source]](https://github.com/jonof/jfduke3d)
      • JFShadowWarrior - Port of the [3D Realms](https://en.wikipedia.org/wiki/3D_Realms) game [Shadow Warrior](https://en.wikipedia.org/wiki/Shadow_Warrior_(1997_video_game)).
      • [source
      • Raze - Build engine port backed by GZDoom tech. Currently supports [Duke Nukem 3D](https://en.wikipedia.org/wiki/Duke_Nukem_3D), [Blood](https://en.wikipedia.org/wiki/Blood_(video_game)), [Shadow Warrior](https://en.wikipedia.org/wiki/Shadow_Warrior_(1997_video_game)), [Redneck Rampage](https://en.wikipedia.org/wiki/Redneck_Rampage) and [Powerslave](https://en.wikipedia.org/wiki/PowerSlave)/Exhumed.
      • Shadow Warrior - warrior)
      • JFDuke3D - Port of the [3D Realms](https://en.wikipedia.org/wiki/3D_Realms) game [Duke Nukem 3D](https://en.wikipedia.org/wiki/Duke_Nukem_3D) [[source]](https://github.com/jonof/jfduke3d)
      • JFShadowWarrior - Port of the [3D Realms](https://en.wikipedia.org/wiki/3D_Realms) game [Shadow Warrior](https://en.wikipedia.org/wiki/Shadow_Warrior_(1997_video_game)).
    • *[id Software](https://en.wikipedia.org/wiki/Id_Software) Games*

      • Doom - [[source]](https://github.com/id-Software/DOOM)
      • Quake - [[source]](https://github.com/id-Software/Quake)
      • Chocolate Doom - A Doom source port that accurately reproduces the experience of Doom as it was played in the 1990s. [[source]](https://github.com/chocolate-doom/chocolate-doom)
      • ZDoom - A feature centric port for all Doom engine games. [[source]](https://github.com/UZDoom/UZDoom)
      • FTEQW - Powerful engine for playing and modding idTech based games. [[source]](https://github.com/fte-team/fteqw)
  • Real-Time strategies

    • **[id Software](https://en.wikipedia.org/wiki/Id_Software) Games**

      • Dune II The Maker - A Dune 2 remake. [[source]](https://github.com/stefanhendriks/Dune-II---The-Maker)
      • Keeper FX - An open-source remake and fan expansion of Dungeon Keeper. [[source]](https://github.com/dkfans/keeperfx)
      • OpenHV - An Open Source Pixelart Science-Fiction Real-Time-Strategy game. [[source]](https://github.com/OpenHV/OpenHV)
      • Widelands - A free, open source real-time strategy game. [[source]](https://github.com/widelands/widelands)
      • OpenAge - A free (as in freedom) cross-platform RTS game engine that provides the mechanics of Age of Empires. [[source]](https://github.com/SFTtech/openage)
      • [source
      • [source
      • [source
      • [source
      • [source
    • **[Westwood Studios](https://en.wikipedia.org/wiki/Westwood_Studios) and [EA](https://en.wikipedia.org/wiki/Electronic_Arts) Games from [Command & Conquer](https://en.wikipedia.org/wiki/Command_%26_Conquer) Series**

    • *[Blizzard Entertainment](https://en.wikipedia.org/wiki/Blizzard_Entertainment) Games Re-Implementations*

      • [source
      • Strategus
      • War1gus - A re-implementation of [Warcraft: Orcs & Humans](https://en.wikipedia.org/wiki/Warcraft:_Orcs_%26_Humans) that that can be played on modern platforms. [[source]](https://github.com/Wargus/war1gus)
      • Wyrmsun - A strategy game which features elements of mythology, history and fiction. [[source]](https://github.com/Andrettin/Wyrmsun)
      • Stargus - Importer and scripts for [Starcraft](https://en.wikipedia.org/wiki/StarCraft). [[source]](https://github.com/Wargus/stargus)
      • [source
    • *[Westwood Studios](https://en.wikipedia.org/wiki/Westwood_Studios) and [EA](https://en.wikipedia.org/wiki/Electronic_Arts) Games from [Command & Conquer](https://en.wikipedia.org/wiki/Command_%26_Conquer) Series*

    • *[id Software](https://en.wikipedia.org/wiki/Id_Software) Games*

      • [source
      • Dune II The Maker - A Dune 2 remake. [[source]](https://github.com/stefanhendriks/Dune-II---The-Maker)
      • Keeper FX - An open-source remake and fan expansion of [Dungeon Keeper](https://en.wikipedia.org/wiki/Dungeon_Keeper). [[source]](https://github.com/dkfans/keeperfx)
      • Mindustry - A sandbox tower-defense game. [[source]](https://github.com/Anuken/Mindustry)
      • OpenAge - A free (as in freedom) cross-platform RTS game engine that provides the mechanics of [Age of Empires](https://en.wikipedia.org/wiki/Age_of_Empires). [[source]](https://github.com/SFTtech/openage)
      • OpenHV - An Open Source Pixelart Science-Fiction Real-Time-Strategy game. [[source]](https://github.com/OpenHV/OpenHV)
      • OpenRA - [Command & Conquer](https://en.wikipedia.org/wiki/Command_%26_Conquer), [Dune 2000](https://en.wikipedia.org/wiki/Dune_2000) and [Red Alert](https://en.wikipedia.org/wiki/Command_%26_Conquer:_Red_Alert) rebuild for the Modern Era. [[source]](https://github.com/OpenRA/OpenRA)
      • Widelands - A free, open source real-time strategy game. [[source]](https://github.com/widelands/widelands)
  • Adventure games

    • Pioneer - A space adventure game set in our galaxy at the turn of the 33rd century. [[source]](https://github.com/pioneerspacesim/pioneer)
    • The Legend of Zelda: Twilight Princess - A reverse engineering project to decompile Twilight Princess into human-readable and modifiable source code. [[source]](https://github.com/zeldaret/tp)
    • [source
    • The Legend of Zelda: A Link to the Past
    • Endless Sky - Space exploration, trading, and combat game. [[source]](https://github.com/endless-sky/endless-sky)
    • Dead Ascend - A zombie adventure, escape room, with twists. [[source]](https://github.com/larpon/DeadAscend)
    • Endless Sky - Space exploration, trading, and combat game. [[source]](https://github.com/endless-sky/endless-sky)
    • Pioneer - A space adventure game set in our galaxy at the turn of the 33rd century. [[source]](https://github.com/pioneerspacesim/pioneer)
    • ScummVM - A program which allows you to run certain classic graphical adventure and role-playing games. [[source]](https://github.com/scummvm/scummvm)
    • The Legend of Zelda: Twilight Princess - A reverse engineering project to decompile *[Twilight Princess](https://en.wikipedia.org/wiki/The_Legend_of_Zelda:_Twilight_Princess)* into human-readable and modifiable source code. [[source]](https://github.com/zeldaret/tp)
  • Puzzle games

      • BlockOut II - A free adaptation of the original BlockOut® DOS game edited by California Dreams in 1989. [[source]](https://sourceforge.net/projects/blockout/files/blockout/BlockOut%202.5)
      • BlockOut II - A free adaptation of the original BlockOut® DOS game edited by California Dreams in 1989. [[source]](https://sourceforge.net/projects/blockout/files/blockout/BlockOut%202.5)
      • [source
    • *[id Software](https://en.wikipedia.org/wiki/Id_Software) Games*

      • Whatajong - [[source]](https://github.com/masylum/whatajong)
      • BlockOut II - A free adaptation of the original BlockOut® DOS game edited by California Dreams in 1989. [[source]](https://sourceforge.net/projects/blockout/files/blockout/BlockOut%202.5)
      • Portal - still-alive)
  • Racing games

    • **[id Software](https://en.wikipedia.org/wiki/Id_Software) Games**

      • wipEout - This is a re-implementation of the 1995 PSX game [Wipeout](https://en.wikipedia.org/wiki/Wipeout_(video_game)). [[source]](https://github.com/phoboslab/wipeout-rewrite)
    • *[id Software](https://en.wikipedia.org/wiki/Id_Software) Games*

      • Dust Racing 2D - A traditional top-down car racing game including a level editor. [[source]](https://github.com/cflavio/yorg)
      • SuperTuxKart - A free kart racing game. It focuses on fun and not on realistic kart physics. [[source]](https://github.com/supertuxkart/stk-code)
      • ManiaDrive - A free clone of [TrackMania](https://en.wikipedia.org/wiki/TrackMania), the great game from [Nadéo](https://en.wikipedia.org/wiki/Nadeo) studio. [[source]](http://maniadrive.raydium.org/index.php?downloads=yes) **Engine: [Raydium](https://raydium.org)** [[source]](https://raydium.org/data.php)
      • RVGL - A cross-platform rewrite / port of [Re-Volt](https://en.wikipedia.org/wiki/Re-Volt) that runs natively on both Windows and GNU/Linux. [[source]](https://gitlab.com/re-volt)
      • Speed Dreams - A free and open source motorsport simulator. [[source]](https://forge.a-lec.org/xavi/speed-dreams-code)
      • Trigger Rally - A fast-paced single-player racing game for Linux and Windows. [[source]](https://sourceforge.net/projects/trigger-rally)
      • VDrift - A cross-platform, open source driving simulation made with drift racing in mind. [[source]](https://github.com/VDrift/vdrift)
      • Yorg - Yorg (Yorg's an Open Racing Game) is a free open source racing game developed by Ya2 using Panda3D for Windows, OSX and Linux. [[source]](https://github.com/cflavio/yorg) **Engine: [Panda3D](https://www.panda3d.org)** [[source]](https://github.com/panda3d/panda3d)
      • ManiaDrive - A free clone of [TrackMania](https://en.wikipedia.org/wiki/TrackMania), the great game from [Nadéo](https://en.wikipedia.org/wiki/Nadeo) studio. [[source]](http://maniadrive.raydium.org/index.php?downloads=yes) **Engine: [Raydium](https://raydium.org)** [[source]](https://raydium.org/data.php)
  • Roguelikes

      • Dungeon Crawl Stone Soup - An open source roguelike adventure through dungeons filled with dangerous monsters in a quest to find the mystifyingly fabulous Orb of Zot. [[source]](https://github.com/crawl/crawl)
      • NetHack - Single player dungeon exploration game. [[source]](https://github.com/NetHack/NetHack)
      • Meritous - An action-adventure dungeon crawl game. [[source]](http://www.asceai.net/files/meritous_v12_src.tar.bz2)
    • **[Westwood Studios](https://en.wikipedia.org/wiki/Westwood_Studios) and [EA](https://en.wikipedia.org/wiki/Electronic_Arts) Games from [Command & Conquer](https://en.wikipedia.org/wiki/Command_%26_Conquer) Series**

      • Pixel Dungeon - Traditional roguelike game with pixel-art graphics and simple interface. [[source]](https://github.com/watabou/pixel-dungeon)
      • Shattered PD - Pixel-Dungeon).
    • *[Westwood Studios](https://en.wikipedia.org/wiki/Westwood_Studios) and [EA](https://en.wikipedia.org/wiki/Electronic_Arts) Games from [Command & Conquer](https://en.wikipedia.org/wiki/Command_%26_Conquer) Series*

      • Dungeon Crawl Stone Soup - An open source roguelike adventure through dungeons filled with dangerous monsters in a quest to find the mystifyingly fabulous Orb of Zot. [[source]](https://github.com/crawl/crawl)
      • NetHack - Single player dungeon exploration game. [[source]](https://github.com/NetHack/NetHack)
      • Meritous - An action-adventure dungeon crawl game. [[source]](https://github.com/Patashu/Meritous)
  • Third-Person games

      • Lugaru: The Rabbit's Foot - Cross-platform, open-source 3D action game. [[soruce]](https://github.com/WolfireGames/lugaru)
      • OpenLara - Classic Tomb Raider open-source engine [[source]](https://github.com/XProger/OpenLara)
      • Overgrowth - The sequel to Lugaru. [[soruce]](https://github.com/WolfireGames/overgrowth)
      • OpenLara - Classic Tomb Raider open-source engine [[source]](https://github.com/XProger/OpenLara)
      • Lugaru: The Rabbit's Foot - Cross-platform, open-source 3D action game. [[soruce]](https://github.com/WolfireGames/lugaru)
      • Tomb Engine - An open-source engine for custom Tomb Raider adventures. [[dource]](https://github.com/TombEngine/TombEngine)
    • **[Westwood Studios](https://en.wikipedia.org/wiki/Westwood_Studios) and [EA](https://en.wikipedia.org/wiki/Electronic_Arts) Games from [Command & Conquer](https://en.wikipedia.org/wiki/Command_%26_Conquer) Series**

    • *[Diablo](https://en.wikipedia.org/wiki/Diablo_(series)) Re-Implementations*

    • *Massively Multiplayer Online Role-Playing Games*

      • Tomb Engine - An open-source engine for custom [Tomb Raider](https://en.wikipedia.org/wiki/Tomb_Raider) adventures. Core Design era (1 - 5). [[source]](https://github.com/TombEngine/TombEngine)
      • Lugaru: The Rabbit's Foot - Cross-platform, open-source 3D action game. [[source]](https://github.com/WolfireGames/lugaru)
      • OpenRW - A [Grand Theft Auto III](https://en.wikipedia.org/wiki/Grand_Theft_Auto_III) re-implementation. [[source]](https://github.com/rwengine/openrw)
      • Overgrowth - The sequel to Lugaru. [[source]](https://github.com/WolfireGames/overgrowth)
  • Action games

    • Hypersomnia - Competitive top-down shooter with extreme dynamics and pixely nostalgia. Comes with a built-in map Editor. [[source]](https://github.com/TeamHypersomnia/Hypersomnia)
    • Hypersomnia - Competitive top-down shooter with extreme dynamics and pixely nostalgia. Comes with a built-in map Editor. [[source]](https://github.com/TeamHypersomnia/Hypersomnia)
    • Hypersomnia - Competitive top-down shooter with extreme dynamics and pixely nostalgia. Comes with a built-in map Editor. [[source]](https://github.com/TeamHypersomnia/Hypersomnia)
    • Hypersomnia - Competitive top-down shooter with extreme dynamics and pixely nostalgia. Comes with a built-in map Editor. [[source]](https://github.com/TeamHypersomnia/Hypersomnia)
  • Sandbox games

    • **[Westwood Studios](https://en.wikipedia.org/wiki/Westwood_Studios) and [EA](https://en.wikipedia.org/wiki/Electronic_Arts) Games from [Command & Conquer](https://en.wikipedia.org/wiki/Command_%26_Conquer) Series**

  • Sport games

    • **[Westwood Studios](https://en.wikipedia.org/wiki/Westwood_Studios) and [EA](https://en.wikipedia.org/wiki/Electronic_Arts) Games from [Command & Conquer](https://en.wikipedia.org/wiki/Command_%26_Conquer) Series**

    • *[Diablo](https://en.wikipedia.org/wiki/Diablo_(series)) Re-Implementations*

      • Open Golf - A cross-platform minigolf game written in C. [[source]](https://github.com/mgerdes/Open-Golf)
      • Pooltool - A sandbox billiards game that emphasizes realistic physics. [[source]](https://github.com/ekiefl/pooltool)
  • Shoot 'em up games

      • SDL Sopwith - A port of the classic biplane shoot ‘em-up “Sopwith” to run on modern computers and operating systems. **[[source]](https://github.com/fragglet/sdl-sopwith)**
    • *Massively Multiplayer Online Role-Playing Games*

      • SDL Sopwith - A port of the classic biplane shoot ‘em-up “Sopwith” to run on modern computers and operating systems. [[source]](https://github.com/fragglet/sdl-sopwith)
  • Tower Defense games

    • **[Westwood Studios](https://en.wikipedia.org/wiki/Westwood_Studios) and [EA](https://en.wikipedia.org/wiki/Electronic_Arts) Games from [Command & Conquer](https://en.wikipedia.org/wiki/Command_%26_Conquer) Series**

  • Business and Tycoon games

    • OpenRCT2 - An open-source re-implementation of RollerCoaster Tycoon 2. [[source]](https://github.com/OpenRCT2/OpenRCT2)
    • CorsixTH - Open source clone of [Theme Hospital](https://en.wikipedia.org/wiki/Theme_Hospital). [[source]](https://github.com/CorsixTH/CorsixTH)
    • OpenLoco - An open source re-implementation of [Chris Sawyer](https://en.wikipedia.org/wiki/Chris_Sawyer)'s [Locomotion](https://en.wikipedia.org/wiki/Chris_Sawyer%27s_Locomotion). [[source]](https://github.com/OpenLoco/OpenLoco)
    • CorsixTH - Open source clone of [Theme Hospital](https://en.wikipedia.org/wiki/Theme_Hospital). [[source]](https://github.com/CorsixTH/CorsixTH)
    • OpenLoco - An open source re-implementation of [Chris Sawyer](https://en.wikipedia.org/wiki/Chris_Sawyer)'s [Locomotion](https://en.wikipedia.org/wiki/Chris_Sawyer%27s_Locomotion). [[source]](https://github.com/OpenLoco/OpenLoco)
    • OpenRCT2 - An open-source re-implementation of *[RollerCoaster Tycoon 2](https://en.wikipedia.org/wiki/RollerCoaster_Tycoon_2)*. [[source]](https://github.com/OpenRCT2/OpenRCT2)
    • OpenTTD - An open source simulation game based upon *[Transport Tycoon Deluxe](https://en.wikipedia.org/wiki/Transport_Tycoon)*. [[source]](https://github.com/OpenTTD/OpenTTD)
  • Tower Defence games

    • *Massively Multiplayer Online Role-Playing Games*

      • Server Survival - Tower defense game that teaches cloud architecture. Build infrastructure, survive traffic, learn scaling. [[source]](https://github.com/pshenok/server-survival)
      • Server Survival - Tower defense game that teaches cloud architecture. Build infrastructure, survive traffic, learn scaling. [[source]](https://github.com/pshenok/server-survival)