Open source re-implementation projects and game clones.

• abuse

  1 125 0.0 C++

  Abuse SDL port originally from Crack-Dot-Com and released into the public domain (by Xenoveritas)

AbuseSDL - Abuse

• alive_reversing

  6 308 5.0 C++

  Re-implementation of Oddworld: Abe's Exoddus and Oddworld: Abe's Oddysee

  

Alive Reversing - Abe's Exoddus and Abe's Oddysee

• InfluxDB

  www.influxdata.com featured

  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.

  

• augustus

  93 1,418 9.8 C

  An open source re-implementation of Caesar III

Augustus - Caesar 3 fork of Julius

• bstone

  7 295 9.5 C

  Unofficial source port for Blake Stone series

BStone - Blake Stone series

• yquake2

  59 824 8.8 C

  The Yamagi Quake II client

  

Yamagi Quake - Quake 2 source port

• Citadel

  1 135 9.5 C#

  The System Shock Fan Remake Project (by JosiahJack)

Citadel - System Shock

• scummvm

  165 2,208 10.0 C++

  ScummVM main repository

  

ScummVM - Classic point & click, adventure and roleplaying games.

• SaaSHub

  www.saashub.com featured

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

  

• Cortex-Command-Community-Project-Source

  6 204 0.0 C++

  Discontinued [ARCHIVED] Cortex Command - Open Source under GNU AGPL v3 (no game data included)

  

CCCP - Cortex Command

• SSVOpenHexagon

  20 605 0.0 C

  C++20 FOSS clone of "Super Hexagon". Depends on SSVStart, SSVEntitySystem, SSVLuaWrapper, SSVMenuSystem, JSONcpp, SFML2.0. Features JSON/LUA customizable game files, a soundtrack by BOSSFIGHT, pseudo-3D effects.

Open Hexagon - Super Hexagon

• Spring RTS game engine

  44 3,467 4.6 C++

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

  

Spring Engine - Total Annihilation

• crispy-doom

  15 762 9.1 C

  Crispy Doom is a limit-removing enhanced-resolution Doom source port based on Chocolate Doom.

Crispy Doom - Source port for Doom 1 & 2, Heretic, Hexen, Strife etc.

• space-station-14

  56 1,983 10.0 C#

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

  

Space Station 14 - Space Station 13

• Doom64EX

  2 229 0.0 C++

  Doom64EX is a reverse-engineering project aimed to recreate Doom64 as close as possible with additional modding features.

Doom64EX - Doom 64

• NBlood

  9 569 9.6 C++

  Reverse-engineered ports of Build games using EDuke32 engine technology and development principles (NBlood/Rednukem/PCExhumed)

NBlood - Based on eDuke32 - Blood, Duke Nukem 3D and Powerslave/Exhumed

• gemrb

  36 917 9.9 C++

  GemRB is a portable open-source implementation of Bioware’s Infinity Engine.

  

GemRB - Infinity Engine games (Baldur's Gate, Planescape: Torment, Icewind Dale etc)

• DreeRally

  1 78 0.0 C

  Death Rally engine reimplementation

DreeRally - Death Rally

• dxx-rebirth

  38 463 9.7 C++

  Descent-Rebirth and Descent II-Rebirth

  

DXX-Rebirth - Descent 1 & 2

• cdogs-sdl

  8 847 8.8 C

  Classic overhead run-and-gun game

C-dogs-SDL - C-Dogs

• etlegacy

  67 523 9.8 C

  ET: Legacy is an open source project based on the code of Wolfenstein: Enemy Territory which was released in 2010 under the terms of the GPLv3 license.

  

ETLegacy - Wolfenstein: Enemy Territory

• alephone

  220 593 9.2 C++

  Aleph One is the open source continuation of Bungie’s Marathon 2 game engine.

  

AlephOne - Marathon series

• freeablo

  2 2,154 1.2 C++

  Modern reimplementation of the Diablo 1 game engine

Freeablo - Diablo

• iortcw

  18 579 7.2 C

  Merge of ioquake3 features and fixes into RTCW code bases

  

iortcw - Return to Castle Wolfenstein

• NFSIISE

  4 517 8.9 C

  Need For Speed™ II SE - Cross-platform wrapper with 3D acceleration and TCP protocol!

NFSIISE - Need for Speed II Special Edition

• nuvie

  1 125 0.0 C++

  Nuvie - New Ultima VI Engine

  

Nuvie - Ultima VI

• openage

  56 12,400 9.6 Python

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

  

OpenAge - Age of Empires 2

• openblack

  16 835 8.9 C++

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

  

OpenBlack - Black & White

• OpenDUNE

  11 1,572 5.9 C

  DUNE, REINVENTED

  

OpenDune - Dune II

• openfodder

  1 442 7.9 C++

  Open Fodder: An open source port of Cannon Fodder

  

OpenFodder - Cannon Fodder

• OpenGothic

  25 1,058 9.5 C++

  Reimplementation of Gothic 2 Notr

OpenGothic - Gothic 2

• OPHD

  4 100 8.9 C++

  OutpostHD - Open source remake of Sierra On-Line's Outpost

  

OpenHD - Outpost

• OpenJK

  16 1,948 8.2 C++

  Community effort to maintain and improve Jedi Academy (SP & MP) + Jedi Outcast (SP only) released by Raven Software

  

OpenJK - Jedi Academy & Jedi Outcast

• OpenLara

  59 4,579 5.0 C

  Classic Tomb Raider open-source engine

OpenLara - Tomb Raider 1-3

• openrw

  10 1,094 1.3 C++

  Discontinued OpenRW "Open ReWrite" is an un-official open source recreation of the classic Grand Theft Auto III game executable

  

OpenRW - Grand Theft Auto III

• OpenSAGE

  8 1,297 9.4 C#

  OpenSAGE is a free, open source re-implementation of SAGE, the 3D real time strategy (RTS) engine used in Command & Conquer: Generals and other RTS titles from EA Pacific. Written in C#. Not affiliated with EA.

  

OpenSAGE - Command & Conquer: Generals

• openswe1r

  2 308 0.0 C

  An Open-Source port of the 1999 Game "Star Wars Episode 1: Racer"

  

OpenSWE - Star Wars Episode 1: Racer

• OpenTESArena

  23 905 8.5 C++

  Open-source re-implementation of The Elder Scrolls: Arena.

OpenTESArena - The Elder Scrolls: Arena

• opentyrian2000

  6 63 5.0 C

  An open-source port of the DOS shoot-em-up Tyrian.

• Prince-Monogame

  1 39 0.0 C#

  Monogame implementation of Prince of Persia 2

Prince-Monogame - Prince of Persia 2

• re3

  84 3,435 9.8 C++

  Discontinued GTA III, Vice City [UnavailableForLegalReasons - Repository access blocked]

  

RE3 - Grand Theft Auto III

• REDRIVER2

  18 1,015 0.0 C

  Driver 2 Playstation game reverse engineering effort

  

Redriver2 - Driver 2

• remc2

  1 108 2.7 C

  Recode Binary code of game Magic Carpet2 to C/C++ language(remake MC2 for any platform)

Remc2 - Magic Carpet 2

• SanAndreasUnity

  8 2,047 0.0 C#

  Open source reimplementation of GTA San Andreas game engine in Unity

  

San Andreas Unity - Grand Theft Auto: San Andreas

• TOMB5

  3 488 0.0 C

  Tomb Raider: Chronicles Disassembly translated to C source code.

  

TOMB5 - Tomb Raider: Chronicles

• Ultima5Redux

  5 65 8.0 C#

  A mostly true to the original Ultima 5 remake in C# using the original U5 data files.

Ultima5Redux - Ultima V

• UnderworldAdventures

  1 54 7.6 C++

  Underworld Adventures is a project to recreate Ultima Underworld 1 on modern operating systems, using the original game files.

UnderworldAdventures - Ultima Underworld

• UnderworldExporter

  14 320 4.1 C#

  Discontinued Updated Release 27th Oct 2018 Unity based port of Ultima Underworld I and II. Download under releases

UnderworldExporter - Ultima Underworld 1 & 2 and System Shock

• vkQuake

  58 1,532 9.2 C

  Discontinued Vulkan Quake port based on QuakeSpasm

vkQuake - Quake source port running in Vulkan. Sideproject by an id Software dev. It's overall better than the new KEX Engine remaster by Nightdive Studios.

• war1

  1 129 0.0 C

  A remake of Warcraft: Orcs & Humans written in C

War1 - Warcraft: Orcs & Humans

• xoreos

  4 1,069 5.6 C++

  A reimplementation of BioWare's Aurora engine (and derivatives). Pre-pre-alpha :P

  

Xoreos - Neverwinter Nights

• SaaSHub

  www.saashub.com featured

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

  

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