Open source re-implementation projects and game clones.

1. abuse

   1 2 138 0.0 C++

   Abuse SDL port originally from Crack-Dot-Com and released into the public domain

   

   AbuseSDL - Abuse

2. InfluxDB

   influxdata.com featured

   InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.

   

3. alive_reversing

   2 6 364 3.9 C++

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

   

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

4. augustus

   3 95 1,690 9.4 C

   An open source re-implementation of Caesar III

   

   Augustus - Caesar 3 fork of Julius

5. bstone

   4 7 314 8.3 C

   Unofficial source port for Blake Stone series

   

   BStone - Blake Stone series

6. yquake2

   5 59 893 9.2 C

   The Yamagi Quake II client

   

   Yamagi Quake - Quake 2 source port

7. Citadel

   6 1 142 9.3 C#

   The System Shock Fan Remake Project (by JosiahJack)

   

   Citadel - System Shock

8. scummvm

   7 167 2,417 10.0 C++

   ScummVM main repository

   

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

9. CodeRabbit

   coderabbit.ai featured

   CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.

   

10. Cortex-Command-Community-Project-Source

    8 6 204 0.0 C++

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

    

    CCCP - Cortex Command

11. SSVOpenHexagon

    9 20 625 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

12. Spring RTS game engine

    10 45 3,670 4.6 C++

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

    

    Spring Engine - Total Annihilation

13. crispy-doom

    11 15 837 8.8 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.

14. space-station-14

    12 57 3,007 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

15. Doom64EX

    13 2 251 0.0 C++

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

    

    Doom64EX - Doom 64

16. NBlood

    14 9 651 9.3 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

17. gemrb

    15 36 1,045 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)

18. DreeRally

    16 1 91 0.0 C

    Death Rally engine reimplementation

    

    DreeRally - Death Rally

19. dxx-rebirth

    17 38 522 9.7 C++

    Descent-Rebirth and Descent II-Rebirth

    

    DXX-Rebirth - Descent 1 & 2

20. cdogs-sdl

    18 8 943 8.7 C

    Classic overhead run-and-gun game

    

    C-dogs-SDL - C-Dogs

21. etlegacy

    19 67 616 9.7 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

22. alephone

    20 221 686 9.2 C++

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

    

    AlephOne - Marathon series

23. freeablo

    21 2 2,162 1.2 C++

    [ARCHIVED] Modern reimplementation of the Diablo 1 game engine

    

    Freeablo - Diablo

24. iortcw

    22 18 648 6.8 C

    Merge of ioquake3 features and fixes into RTCW code bases

    

    iortcw - Return to Castle Wolfenstein

25. NFSIISE

    23 4 626 8.9 C

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

    

    NFSIISE - Need for Speed II Special Edition

26. nuvie

    24 1 142 2.1 C++

    Nuvie - New Ultima VI Engine

    

    Nuvie - Ultima VI

27. openage

    25 57 13,508 9.5 Python

    Clone of the Age of Empires II engine 🚀

    

    OpenAge - Age of Empires 2

28. openblack

    26 17 1,336 9.0 C++

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

    

    OpenBlack - Black & White

29. OpenDUNE

    27 11 1,630 6.4 C

    DUNE, REINVENTED

    

    OpenDune - Dune II

30. openfodder

    28 1 472 4.4 C++

    Open Fodder: An open source port of Cannon Fodder

    

    OpenFodder - Cannon Fodder

31. OpenGothic

    29 27 1,267 9.5 C++

    Reimplementation of Gothic 2 Notr

    

    OpenGothic - Gothic 2

32. OPHD

    30 4 117 9.9 C++

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

    

    OpenHD - Outpost

33. OpenJK

    31 16 2,079 5.1 C++

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

    

    OpenJK - Jedi Academy & Jedi Outcast

34. OpenLara

    32 59 4,812 3.4 C

    Classic Tomb Raider open-source engine

    

    OpenLara - Tomb Raider 1-3

35. openrw

    33 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

36. OpenSAGE

    34 8 1,479 9.5 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

37. openswe1r

    35 2 319 0.0 C

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

    

    OpenSWE - Star Wars Episode 1: Racer

38. OpenTESArena

    36 23 1,039 9.4 C++

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

    

    OpenTESArena - The Elder Scrolls: Arena

39. opentyrian2000

    37 6 82 2.9 C

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

    

40. Prince-Monogame

    38 1 45 0.0 C#

    Monogame implementation of Prince of Persia 2

    

    Prince-Monogame - Prince of Persia 2

41. re3

    39 85 3,435 9.8 C++

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

    

    RE3 - Grand Theft Auto III

42. REDRIVER2

    40 18 1,132 0.0 C

    Driver 2 Playstation game reverse engineering effort

    

    Redriver2 - Driver 2

43. remc2

    41 1 118 2.7 C

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

    

    Remc2 - Magic Carpet 2

44. SanAndreasUnity

    42 8 2,289 0.0 C#

    Open source reimplementation of GTA San Andreas game engine in Unity

    

    San Andreas Unity - Grand Theft Auto: San Andreas

45. TOMB5

    43 3 496 0.0 C

    Tomb Raider: Chronicles Disassembly translated to C source code.

    

    TOMB5 - Tomb Raider: Chronicles

46. Ultima5Redux

    44 5 68 8.0 C#

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

    

    Ultima5Redux - Ultima V

47. UnderworldAdventures

    45 1 60 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

48. UnderworldExporter

    46 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

49. vkQuake

    47 62 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.

50. war1

    48 1 138 0.0 C

    A remake of Warcraft: Orcs & Humans written in C

    

    War1 - Warcraft: Orcs & Humans

51. xoreos

    49 4 1,111 7.2 C++

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

    

    Xoreos - Neverwinter Nights

52. SaaSHub

    www.saashub.com featured

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

    

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