Alternatives and similar repositories for halflife:

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

• ValveSoftware / source-sdk-2013
  The 2013 edition of the Source SDK
  ☆3,887Updated 8 months ago
• id-Software / Quake
  Quake GPL Source Release
  ☆5,036Updated 7 months ago
• id-Software / Quake-2
  Quake 2 GPL Source Release
  ☆2,864Updated last year
• id-Software / DOOM-3-BFG
  Doom 3 BFG Edition
  ☆5,002Updated 4 months ago
• rwengine / openrw
  OpenRW "Open ReWrite" is an un-official open source recreation of the classic Grand Theft Auto III game executable
  ☆1,984Updated last week
• id-Software / wolf3d
  The original open source release of Wolfenstein 3D
  ☆2,222Updated 12 years ago
• id-Software / Quake-III-Arena
  Quake III Arena GPL Source Release
  ☆7,194Updated 5 months ago
• id-Software / DOOM-3
  Doom 3 GPL source release
  ☆3,179Updated 9 years ago
• twhl-community / halflife-updated
  Half-Life SDK updated to compile under VS2019 and 2022. Check README.md for more information.
  ☆397Updated 2 months ago
• FWGS / xash3d-fwgs
  Xash3D FWGS engine
  ☆1,640Updated this week
• VSES / SourceEngine2007
  Description
  ☆696Updated 7 years ago
• id-Software / DOOM
  DOOM Open Source Release
  ☆14,816Updated 7 months ago
• ValveSoftware / Source-1-Games
  Source 1 based games such as TF2 and Counter-Strike: Source
  ☆668Updated 6 months ago
• chocolate-doom / chocolate-doom
  Chocolate Doom is a Doom source port that is minimalist and historically accurate.
  ☆1,983Updated this week
• FWGS / xash3d
  DEPRECATED in favor of https://github.com/FWGS/xash3d-fwgs. Only bugfixes are accepted.
  ☆558Updated 3 years ago
• ioquake / ioq3
  The ioquake3 community effort to continue supporting/developing id's Quake III Arena
  ☆2,459Updated 3 weeks ago
• RobertBeckebans / RBDOOM-3-BFG
  Doom 3 BFG Edition source port with updated DX12 / Vulkan renderer and modern game engine features
  ☆1,504Updated this week
• FrictionalGames / AmnesiaTheDarkDescent
  ☆3,534Updated 4 years ago
• aap / librw
  A re-implementation of the RenderWare Graphics engine
  ☆626Updated last month
• nillerusr / source-engine
  Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
  ☆1,651Updated 7 months ago
• id-Software / quake2-rerelease-dll
  ☆2,171Updated last year
• TerryCavanagh / VVVVVV
  The source code to VVVVVV! http://thelettervsixtim.es/
  ☆7,043Updated 3 weeks ago
• FrictionalGames / AmnesiaAMachineForPigs
  ☆1,416Updated last year
• ZDoom / gzdoom
  GZDoom is a feature centric port for all Doom engine games, based on ZDoom, adding an OpenGL renderer and powerful scripting capabilities
  ☆2,617Updated this week
• FrictionalGames / HPL1Engine
  A real time 3D engine.
  ☆726Updated last year
• Croteam-official / Serious-Engine
  An open source version of a game engine developed by Croteam for the classic Serious Sam games.
  ☆3,062Updated 4 years ago
• opentomb / OpenTomb
  An open-source Tomb Raider 1-5 engine remake
  ☆1,408Updated 5 months ago
• id-Software / wolf3d-browser
  WOLF3D Browser Version GPL source release
  ☆609Updated 11 years ago
• NightDive-Studio / shockmac
  System Shock (PowerMac version / Official GPL Release)
  ☆1,448Updated 6 years ago