Alternatives and similar repositories for survivalism:

Users that are interested in survivalism are comparing it to the libraries listed below

• Kizoky / share-the-doom
  Share The Doom is a Total Conversion mod for GZDoom that recreates Postal 2 as close as possible in terms of Core/Gameplay
  ☆5Updated 2 years ago
• LordMisfit / DV-DS-ComboPack
  Main Repo for "Aetherius" (for Doom1/2 w/ GZDoom)
  ☆12Updated last week
• dibollinger / amcduke32
  Fork of eduke32 for the AMC Squad.
  ☆12Updated this week
• dpteam / GLQuake3D
  WinQuake/GLQuake-based source-port of game Quake
  ☆18Updated 4 years ago
• eukara / freegearbox
  Clean-room reimplementation of Opposing Force in QuakeC.
  ☆15Updated 2 months ago
• Doom2fan / Se7evidas
  An RPG mod for GZDoom.
  ☆7Updated this week
• nashmuhandes / ZScript-Side-Scroller-Game-Starter-Kit
  A side scroller/platformer game kit for GZDoom, fully written in ZScript
  ☆14Updated last year
• Echelon9 / soulride
  GPL physics-based snowboarding sim, with an advanced terrain engine designed for rendering real-world locations
  ☆10Updated 6 years ago
• autonomous1 / quakelife
  Quake Life is a game mod that enables gameplay with Quake models in Half Life maps.
  ☆12Updated 11 years ago
• madame-rachelle / hgzdoom
  GZDoom fork
  ☆13Updated 3 years ago
• RennyC4 / TAoV
  ☆12Updated 4 months ago
• svkaiser / dlight
  Lightmap utility for Doom64EX
  ☆13Updated 7 years ago
• MadDeCoDeR / BFG-Resource-File-Manager
  Open and edit DOOM 3 BFG/2019 .resources files
  ☆18Updated 2 months ago
• fholger / thedarkmod
  Experimental porting of Doom3 BFG features to The Dark Mod
  ☆23Updated 2 months ago
• janisl / vavoom
  A Doom/Heretic/Hexen/Strife source port.
  ☆14Updated 4 years ago
• hogsy / d3foxed
  Fork of fhDoom with x64 support and other improvements.
  ☆13Updated 5 months ago
• QuakeEngines / QuakeEngines.github.io
  Structured List of Quake Engines
  ☆26Updated last year
• joshuaskelly / tmx2map
  A tool for converting Tiled tilemaps into Quake maps!
  ☆17Updated 6 years ago
• robrohan / blender_ie_quake_mdl
  Blender 2.8 plugin to import / export Quake 1 and Hexen models
  ☆17Updated 3 years ago
• raynorpat / cake
  A portable and advanced Quake 2 engine base for mods to build upon
  ☆15Updated 6 years ago
• Paril / quake2c-progs
  Quake II QC progs.dat
  ☆10Updated 4 years ago
• RobertBeckebans / RBDOOM-3-BFG_mod_unittests
  RBDOOM-3-BFG assets pack with custom maps for testing engine features like PBR
  ☆20Updated 3 months ago
• Ozymandias81 / DNF2001-Org
  Duke Nukem Forever 2001 Leak - Original 08/05/2022 Version
  ☆15Updated 2 years ago
• ericwa / defullbright
  trivial tool to remap "fullbright" colours in quake texture wads
  ☆19Updated last year
• videogamepreservation / avp
  Aliens versus Predator (1999) by Rebellion Developments Ltd.
  ☆33Updated 9 years ago
• sp4cerat / 1K-3D-Voxel-Engines-1990s-
  3D Voxel Engines with 1K Turbo Pascal Source Code
  ☆15Updated 9 years ago
• Kroc / DOOM-Crusher
  Shrinks DOOM resource files: PK3s (ZIP files), WADs, PNGs & JPGs.
  ☆15Updated last year
• andyp123 / quake_web_tools
  Tools for viewing Quake 1 file formats on the web
  ☆15Updated 10 years ago
• OldUnreal / Unreal-PubSrc
  Public UnrealScript source for 227
  ☆13Updated 7 months ago
• jval1972 / QuakeViewer
  Quake Engine Map Viewer
  ☆14Updated 3 years ago