Source code of this mods is available for modders and porters in public access.
# Original Work
## Absolute Zero
Official gitlab repository - https://gitlab.com/Cobalt-57/half-life-absolute-zero/
## Adrenaline Gamer
Official github repository by Martin \"Bullet\" Webrant - https://github.com/martinwebrant/agmod
## Arrangement
Mirrored on github - https://github.com/JoelTroch/am_src_30jan2011
## Arrangemode: Rebirth
Mirrored on github - https://github.com/JoelTroch/am_src_rebirth
## Battle Grounds
Mirrored on github - https://github.com/nekonomicon/BattleGrounds
## Bubblemod
Download page on official site(WM snapshot) - [http://www.bubblemod.org/dl_default.php ](https://web.archive.org/web/20130717133158/http://www.bubblemod.org/dl_default.php )
Mirrored on github - https://github.com/HLSources/BubbleMod
## Chicken Fortress
Official github repository - https://github.com/CKFDevPowered/CKF3Alpha
## Cold Ice
Version 1.9 is available on ModDB - https://www.moddb.com/mods/cold-ice/downloads/cold-ice-sdk
Version 1.9 mirrored on github - https://github.com/solidi/hl-mods/tree/master/ci
## Cold Ice Ressurection
Mirrored on github - https://github.com/solidi/hl-mods/tree/master/cir
## Cthulhu
Uploaded to github by Oleg Cherkasky - https://github.com/gunrunners-paradise/Cthulhu-HLmod-SDK
## Deathmatch Classic
Available in Valve's Half-Life repository - https://github.com/ValveSoftware/halflife/tree/master/dmc
## ESHQ
Official github repository - https://github.com/adslbarxatov/xash3d-for-ESHQ
## Flat-Life
Available on GamerLab - http://gamer-lab.com/eng/code_mods_goldsrc/Half-Life_2D_(Flat-Life)
## Gang Wars
Mirrored on github - https://github.com/nekonomicon/gw1.45src
## Go-mod
Versions 2.0 and 3.0, available in mod archives on ModDB - https://www.moddb.com/mods/go-mod/downloads
Version 3.0, mirrored on github - https://github.com/nekonomicon/Go-mod30
## GT mod
Available on GamerLab - http://gamer-lab.com/eng/code_mods_goldsrc/GT_mod_(Polnie_ishodniki)
## Half-Life: Advanced Deathmatch
Mirrored on github - https://github.com/solidi/hl-mods/tree/master/hla
## Half-Life: Decay
Mirrored on github(PC Port) - https://github.com/hoaxer/Half-Life-Decay
## Half-Life: Echoes
Available on ModDB - https://www.moddb.com/mods/half-life-echoes
## Half-Life: Expanded Arsenal
Available on ModDB - https://www.moddb.com/mods/half-life-expanded-arsenal
## Half-Life: Gravgun mod
Branch **gravgun** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/gravgun
## Half-Life: Invasion
Official github repository - https://github.com/jlecorre/hlinvasion
## Half-Life: Pong
Mirrored on github - https://github.com/solidi/hl-mods/tree/master/pong
## Half-Life: Quest Mode
Available on cs-mapping.com.ua - https://old.cs-mapping.com.ua/forum/showthread.php?t=38030
## Half-Life: Top-Down
Official gitlab repository - https://gitlab.com/Sockman/hltopdown
## Half-Life: Update
Official github repository - https://github.com/Fograin/hl-subsmod-ex
## Half-Life: Rally
Official gitlab repository - https://gitlab.com/hlrally/src
## Half-Life: Weapon Edition
Available on ModDB - https://www.moddb.com/mods/half-life-weapon-edition/downloads/half-life-weapon-edition-1508-alpha-open-src
## Half-Life: Year of the Dragon
Available on ModDB - https://www.moddb.com/mods/year-of-the-dragon
## Half-Nuked
Available on ModDB - https://www.moddb.com/mods/half-nuked/downloads/half-nuked-src
## Half-Payne
Official github repository - https://github.com/suXinjke/HalfPayne
## Half-Quake
Official github repository - https://github.com/muddasheep/hqtrilogy
## Half-Rats: Parasomnia
Official github repository - https://github.com/HeathGames/half_rats_parasomnia_src
## Half-Screwed
Official github repository - https://github.com/desukuran/half-screwed
## Headcrab Frenzy
Version 1.3 on ModDB - https://www.moddb.com/mods/headcrab-frenzy/downloads/headcrab-frenzy-13-beta-source-code
## Heart of Evil
Mirrored on github - https://github.com/nekonomicon/HeartOfEvil
## Ingram Chillin' Mod
Official SourceForge repository - https://sourceforge.net/projects/icm-hl/
## MechMod
Official github repository - https://github.com/vermagav/mechmod
## Mortal Combat Forever
Available on GamerLab - http://gamer-lab.com/eng/code_mods_goldsrc/Mortal_Combat_Forever_(Polnie_ishodniki)
## Natural Selection
Official github repository - https://github.com/unknownworlds/NS
## Overturn
Available in mod archive on ModDB - https://www.moddb.com/mods/overturn
## Oz Deathmatch
Mirrored on github - https://github.com/nekonomicon/OZDM
## Spirit of Half-Life
[Logic&Trick's ](https://github.com/LogicAndTrick ) mirror - https://files.logic-and-trick.com/#/Half-Life/Mods/Spirit%20of%20Half-Life
## Threewave CTF
*Unfinished mod by Valve Software*
Available in Valve's Half-Life repository with Deathmatch Classic sources - https://github.com/ValveSoftware/halflife/tree/master/dmc
## Trinity Render
Available on ModDB: https://www.moddb.com/mods/half-life-episode-two/downloads/trinity-rendering-engine-v308f
## Tyrian: Ground Assault
Available on ModDB: https://www.moddb.com/mods/tyriangroundassault/downloads/tyrianga-v1-0-src
## Paranoia
Available on ModDB: https://www.moddb.com/mods/paranoia/downloads/paranoia-toolkit
## Paranoia 2: The Savior
Prealpha, mirrored on github - https://github.com/a1batross/Paranoia2_ancient
Version 1.51, mirrored on github - https://github.com/a1batross/Paranoia2_original
## Raven City
*Unfinished mod*
Was found on HLFX - http://hlfx.ru/forum/showthread.php?s=2c892dfc52f72be52a89c3f52a397cd0& threadid=1819& postid=44674#post44674
## Ricochet
Available in Valve's Half-Life repository - https://github.com/ValveSoftware/halflife/tree/master/ricochet
## Wizard Wars
Download page on official site - http://www.thothie.com/ww/
## XashXT
Mirrored on github - https://github.com/a1batross/XashXT_original
## Zombie-X
Available in mod archive on ModDB - https://www.moddb.com/mods/zombie-x-10-final/downloads/zombie-x-10-dle-beta6-last-version
## ZXC
Available on ModDB - https://www.moddb.com/mods/zxc-mod-133/downloads/zxc-mod-136-final
Mirrored on github - https://github.com/ZXCmod/ZXCmod
# Reimplementation
## Absolute Redemption
Branch **redempt** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/redempt
## Adrenaline Gamer
OpenAG by YaLTeR - https://github.com/YaLTeR/OpenAG
## Afraid of Monsters
malortie's recreation - https://github.com/malortie/hl-aom
Branch **aom** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/aom
## Afraid of Monsters: Director's cut
Reverse-engineered code, branch **aomdc** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/aomdc
## Azure Sheep
malortie's recreation - https://github.com/malortie/hl-asheep
Reverse-engineered code, branch **asheep** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/asheep
## Big Lolly
malortie's recreation - https://github.com/malortie/hl-biglolly
Branch **biglolly** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/biglolly
## Black Ops
malortie's recreation - https://github.com/malortie/hl-blackops
Branch **blackops** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/blackops
## Bloody Pizza: Vendetta
Branch **caseclosed** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/caseclosed
## Case Closed
Branch **caseclosed** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/caseclosed
## Cleaner's Adventures
Branch **CAd** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/CAd
## Counter Strike
Reverse-engineered code of client part by a1batross - https://github.com/FWGS/cs16-client/tree/v1.32
Reverse-engineered code of server part by nagist - https://github.com/nagist/cs16nd
Reverse-engineered code of server part by s1lentq - https://github.com/s1lentq/ReGameDLL_CS
## Counter Strike Online
CSO-like Xash3D-based mod, CSMoE - https://github.com/MoeMod/CSMoE
## Crack-Life: Campaign Mode
Recreation by lostgamer aka nillerusr - https://github.com/LostGamerHL/crack_life
## Escape from the Darkness
malortie's recreation - https://github.com/malortie/hl-eftd
Reverse-engineered code, branch **eftd** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/eftd
## Half-Life: Blue Shift
Unkle Mike's recreation - https://hlfx.ru/forum/showthread.php?s=& threadid=5253
Reverse-engineered code, branch **bshift** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/bshift
## Half-Life: Induction
Branch **induction** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/induction
## Half-Life: Opposing Force
Recreation by lostgamer aka nillerusr - https://github.com/LostGamerHL/hlsdk-xash3d
Reverse-engineered code, clean branch **opfor** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/opfor
Spirit of Half Life: Opposing-Force Edition - https://github.com/Hammermaps-DEV/SOHL-V1.9-Opposing-Force-Edition
## Half-Life: Rebellion
Reverse-engineered code, branch **rebellion** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/rebellion
## Half-Life: Urbicide
Branch **hl_urbicide** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/hl_urbicide
## Half-Life: Visitors
malortie's recreation - https://github.com/malortie/hl-visitors
Reverse-engineered code, branch **visitors** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/visitors
## Half-Secret
Branch **half-secret** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/half-secret
## Night at the Office
malortie's recreation - https://github.com/malortie/hl-nato
Branch **noffice** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/noffice
## Poke 646
malortie's recreation - https://github.com/malortie/hl-poke646
Reverse-engineered code, branch **poke646** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/poke646
## Poke 646: Vendetta
malortie's recreation - https://github.com/malortie/hl-poke646-vendetta
Reverse-engineered code, branch **poke646_vendetta** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/poke646_vendetta
## Residual Life
Reverse-engineered code, branch **residual_point** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/residual_point
## Residual Point
Reverse-engineered code, branch **residual_point** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/residual_point
## Sewer Beta
Branch **sewer_beta** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/sewer_beta
## Team Fortress Classic
Reverse-engineered code by Velaron - https://github.com/Velaron/tf15-client
## The Gate
malortie's recreation - https://github.com/malortie/hl-thegate
Reverse-engineered code, branch **thegate** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/thegate
## They Hunger
malortie's recreation - https://github.com/malortie/hl-theyhunger
Reverse-engineered code, branch **theyhunger** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/theyhunger
They Hunger: Tactical - https://www.moddb.com/mods/they-hunger-tactical/downloads/tht-source-code-documentation
## Times of Troubles
malortie's recreation - https://github.com/malortie/hl-tot
Branch **tot** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/tot
# Derived work
## Adrenaline Gamer
Branch **aghl** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/aghl
## Bubblemod
Branch **bubblemod** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/bubblemod
## Deathmatch Classic
Deathmatch Classic: Adrenaline Gamer Edition - https://github.com/martinwebrant/agmod/tree/master/src/dmc
Deathmatch Quaked - https://www.moddb.com/games/deathmatch-classic/downloads/dmq2
Branch **dmc** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/dmc
## Half-Life: Echoes
Branch **echoes** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/echoes
## Half-Life: Invasion
Port to HLSDK 2.4 by malortie - https://github.com/malortie/hl-invasion
Port to Linux by fmoraw - https://github.com/fmoraw/hlinvasion
Branch **invasion** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/invasion
## Half-Life: Top-Down
Branch **hltopdown** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/hltopdown
## Half-Screwed
Branch **half-screwed** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/half-screwed
## Natural Selection
Port to Linux - https://github.com/fmoraw/NS
## Spirit of Half-Life
Version 1.2, branch **sohl1.2** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/sohl1.2
## Swiss Cheese Halloween 2002
Just more playable version by malortie - https://github.com/malortie/hl-shall
Branch **halloween** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/halloween
## Threewave CTF
Branch **dmc** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/dmc
## Zombie-X
Branch **zombie-x** in hlsdk-portable - https://github.com/FWGS/hlsdk-portable/tree/zombie-x