Mods / Abstract

• TThe Undertowby DorminYou play as Alyx, tasked with delivering a mysterious briefcase to the owner of an underground night club, upon arriving you realize this deal might not be so straight forward... ⠀⠀⠀⠀⠀⠀⠀⠀ Expected Playtime: 50min - 1hr Features: Full-fledged Story with Voice Acting Custom Sounds, Assets, and Game...46.5k downloadsupdated 4 y ago
• HHotline Alyxby Samara BoySource of addon cause I'm not planning to update it: click Hotline Miami but in Half-Life: Alyx. Hotline Alyx. Yes... All difficulties have custom settings, but Normal is highly recommended. You can (or can to not) use Merciless stuff from here Original Merciless is here (Merciless adds cool thin...17.0k downloadsupdated 3 y ago
• CCompliance Unconfirmed [PART 1]by ProbablyOKVersion 1.1 You do not need PART 2 to play this addon. Simply subscribe to this addon! Subscribe to Part 2 You are initiate 14, a resistance member in training, and you have been tasked with locating Initiate 13, who suddenly went radio silent 24 hours ago. However, as you delve deeper into the d...11.4k downloadsupdated 6 y ago
• CCompliance Unconfirmed [PART 2]by ProbablyOKVersion 1.0 It is recommended you play PART 1 before this experience. PART 1 does not need to be installed for this addon to work. Subscribe to Part 1 Initiate 14’s mission continues. After the events of PART 1, it is clear that your mission has become far more dire. As you approach your final ob...9.5k downloadsupdated 5 y ago
• SShotgun Skin: Stickerbombby Mettle MeekIt's the shotgun, but cooler.7.4k downloadsupdated 5 y ago
• CCustomisable NPC Arenaby epicplayer40A combat arena that allows the player to adjust what NPCs and items should spawn for different AI combat scenarios! I've been working on this map since the official workshop tools were released so let me know what you think of it! How to Use In the spawn room, press the buttons on the wall to tog...5.9k downloadsupdated 5 y ago
• RRussell Drip [REPLACEMENT]by 76561198427646008When playing Half-Life: Alyx, I felt like something was missing from fan-favorite character Russell. This mod will solve this problem by giving Russell garments more befitting of a man such as himself. Upon installing this addon he will now have loads of drip.5.9k downloadsupdated 6 y ago
• BBiohackingby 76561199105877270Small update (see the changelog) Still it's not a DEFINITIVE VERSION. I am sorry but the final update is taking longer than expected Alyx Biohacking is a 4 hour sequel to the original campaign that combines ultra-realistic with surrealism. This mod contains many custom mechanics. Most notably, It...3.2k downloadsupdated 18 mo ago
• TTower: Agency Revampby FrostEpexAgency is our most valuable delusion. There is no saving. Do-overs are never the same. What is, will be. "The hardest map on the workshop" has been completely revamped thanks to ihonnyboy joining development and redesigning the way combine work in this close quarters combat map! The map is now ha...2.5k downloadsupdated 5 y ago
• TThe Dirge of Alex Jones: Episode 1by SavageJoeAlyx and the resistance are launching an attack against a Combine weapon. A weapon strong enough to warp the fabric of reality. Who would be foolish enough to wield such power? ------- An action focused map with unique encounters and poor attempts at humor. Episode 2 is out: ------- Music/Sound C...2.0k downloadsupdated 6 y ago
• HHalf-Life: Achievementby 76561198373006683This map is made for getting every achievement. Even tho, it's unfair, everyone plays the way he wants. I accidentally figured out about logic_achievement, no malicious intent. And you still have to get the scariest achievement on your own ;)1.9k downloadsupdated 4 y ago
• CCombine Interventionby ProbablyOKA short map with the intention of delivering the most fun components of HL: Alyx with the addition of other interesting concepts. BY THE WAY! Perhaps don't immediately throw away the red and yellow keycards, you might need them! Prefab used:1.9k downloadsupdated 6 y ago
• BBacktrackby ProbablyOKVersion 1.2 Backtrack is a map that, you guessed it, involves backtracking to previous locations. The map focuses around a distinctive central area, with three unique locations branching from this point. As the map progresses, you will become acquainted with weapons familiar to the vanilla Alyx e...1.8k downloadsupdated 6 y ago
• JJust Another Day at Work [#dejavu]by Samara BoyJust another day, nothing unusual. Absolutely. Some music: The Blake Robinson Synthetic Orchestra - Exploring Stanley; Mega Drive - Memory Dealer; Dave Rodgers - Deja Vu My main addon - Hotline Alyx1.7k downloadsupdated 5 y ago
• VVengeance for Laszloby SavageJoeTakes place during the events of Half Life 2. Surrounded by Antlions and on the verge of a psychotic breakdown, Sandy must fight his way through hostile territory and make an important choice. It’s time for vengeance. ------------------------------- Song/Sound effect Credits: Bet You Can - Exhila...1.4k downloadsupdated 6 y ago
• XXen Voyagerby NeonWelcome to Xen! Made for the VaultMaps: Xen Infestation Contest Now featuring better optimization and bug fixes. Backstory The combine are prototyping their teleportation technology in the borderwold Xen. You need to stop them, otherwise the rebellion will fall. Any feedback would be greatly appr...1.4k downloadsupdated 6 y ago
• HHalf-Life: Alyx 2026 Map Jamby RitsukaA collaboration of 7 humans to create a continuous Half-Life: Alyx campaign spanning several wacky maps LENGTH: ~2 hours DIFFICULTY: Hard Map Creator Cookie quest Ritsuka That's oddly familiar Glados2.0 Full Cream Mode Korny bad_house SavageJoe An Encounter NoBoi The Heist λrokh Enclosed Glados2....1.3k downloadsupdated 6 mo ago
• MMuseum of Source 2by CementStairsWelcome to the Museum of Source 2! Are you a player who always wondered how maps are being made? Are you a developer who craves for new knowledge to apply in your mod? Or are you just a person who can't visit a real museum instead? Then what are you waiting for?! Hop on and see our exposition, fu...1.2k downloadsupdated 5 y ago
• TThe Dirge of Alex Jones: Episode 2by SavageJoeTrapped in Alex’s paradise after the events of Episode 1, Alyx must join forces with an unexpected ally to take back THE MACHINE and end his tyranny once and for all. Episode 1: --------------------------------------------------------- Credits: Map Parts: JosephtheKP - Made the Alyx ragdoll Ritsu...1.2k downloadsupdated 5 y ago
• LLeak Detectedby Jess AtomoxetineThe map's been broken somehow, and it's up to you to fix it Made for #MapLabs13 (First map loaded should be "start")1.1k downloadsupdated 5 y ago
• HHeadcrab Diner (Old Experiments)by FrostEpexA collection of three very early test maps made when Half-Life: Alyx first released to experiment with all the different features. The three maps have been stitched together to allow playthrough in a single map, while also compiled separately for easier choice. These maps were very early experime...850 downloadsupdated 3 y ago
• MMy Body is Deadby Bordie3DMBID Facefull: The mannequin that drops hints. Ventface: Don't look at him too long. Leia: My dog who passed away.845 downloadsupdated 3 y ago
• HHeightby CementStairsSkyscraper plank insipred map Huge thanks to Chris for making the thumbnails #MapLabsWS1 If you liked the map please consider rating/adding it to favourites, it helps a lot - Thank you!820 downloadsupdated 6 y ago
• PPestilenceby 76561198373006683Your name is Danil Kurovsky, a famed pathologist. You were sent to Ernst Andropov to defeat his illness. You rarely come to people in person, but seems like its a unique case. Buttons are bugged, please press them a bit deeper behind the button model itself, they are working, just moved back a bi...805 downloadsupdated 2 y ago
• HHalf-life: Acid Modby NeonNew Version!! Half-life: Acid Mod adds a new, colorfulll post-processing effect to your main campaign! In some parts of the main campaign the effect can turn off for a moment because of other post-processing effects. I don't want to promote drugs with this mod. It was made simply for fun620 downloadsupdated 6 y ago
• OOrange Complexby ProbablyOKA level I made, I hope your expirience with it is palpable.569 downloadsupdated 6 y ago
• Tthe_backroomsby Zombiepig414these levels were designed to follow the backrooms wiki page to the very word of it's descriptions and turn those ideas into a sort of survival horror thing so if you dont know anything about the backrooms or any of the stuff then go look up "backrooms wikidot" if you want to learn more but it ma...477 downloadsupdated 4 y ago
• TThe Fun Collection 3by KornyLooking for something fun? Look no further than The Fun Collection 3! Featuring Funmaze 6, The sixth and most thrilling Funmaze yet! When playing Funmaze 6 please start with part 1. You'll need to start part 2 yourself after you finish part 1. Please let me know what you think of it down in the c...438 downloadsupdated 19 mo ago
• SShort & Shittyby NeonVersion without s&box references Short & Shitty overrides some of Half-life: Alyx's textures. To avoid seeing a Terry headcrab in other maps, make sure to disable this addon before playing anything else. Short & Shitty Short & Shitty is a short (10-15 minutes) linear map featuring combat with zom...430 downloadsupdated 4 y ago
• GGrogu (Baby Yoda) Gnomeby Neon"BABY YODA FREE 3D BY OSCAR CREATIVO" ( by OSCAR CREATIVO is licensed under Creative Commons Attribution ( From a galaxy far, far away comes Grogu! This mod replaces the gnome's model with Grogu. Start your game on the second chapter "The Quarantine Zone" with addons enabled! Second map in the fi...426 downloadsupdated 4 y ago
• PPurposeby dmtdeadmanThis is a short, roughly 10 minute long "walking simulator" type map. There is no combat, only strong ambience and atmosphere in a similar vein to something like "The Beginner's Guide". I wont to give too much more away. I hope you enjoy.406 downloadsupdated 3 y ago
• BBOOM ROOMby Soup MarioDiscover What antics the orange dudes are up to while you escape to some sweet hl2 fight tunes. Before I release my first "decent" map, I wanted to release this short n sweet dev textured map to make sure I know how to upload stuff with custom sound that works. Despite being made in only a day, I...388 downloadsupdated 3 y ago
• GGasmask Citizen Strider Replacementby epicplayer40Uncovered from the hellish depths of the Valve Developer Repository, the long-cut HL2 beta citizen model is back and with a fierce vengeance. This addon replaces the strider seen in Chapter 10 with the abomination. This DOES NOT replace any other instances of striders in the rest of the game or i...388 downloadsupdated 5 y ago
• RResin Collectorby CementStairsThis is a first map of a new gamemode called "Resin Collector". Your goal is to collect predetermined amount of Resin in the lowest possible time. After random time Resin positon changes due to explosion Features: -Main Gamemode - collect predermined amount of Resin as fast as possible -Timer - u...381 downloadsupdated 6 y ago
• EEBE063by CuserMap Story Soldier, rebels have ambushed a convoy transporting our latest electric experimetal biotic entity. We know it is still inside the tunnel, so your task is to capture it ALIVE, for this your teammates have deployed a trap inside the tunnel, you make sure it follows you into it. Features -...378 downloadsupdated 6 y ago
• TTouching grass simulatorby NervifoxNow, you can touch grass! This was my first map, so go ahead and hate. Proper update 1: The exploration update! made it so you can, well, explore. And some more things... P.S: I am aware of props being... well... strange... Q:Why did you make this? A:Cause I could. I used assets from this addon:...336 downloadsupdated 4 y ago
• RReliable information #dejavuby CuserThe alliance is about to send a chargernator into the past to prevent Russell from existing. Will Alyx be able to stop it in time? If you fail to defeat the last npc and quit the map you should restart the game as the last battle changes some important game parameters314 downloadsupdated 5 y ago
• TThe Mouse's Madhouseby MOUSECan you survive the madhouse? ⭐Journey into the experimental with this all new map 🐭✌️ 𝘍𝘦𝘢𝘵𝘶𝘳𝘪𝘯𝘨: 👉 𝘾𝙪𝙨𝙩𝙤𝙢 𝙜𝙧𝙖𝙥𝙝𝙞𝙘𝙨 👉 𝟯 𝗦𝘂𝗿𝗿𝗲𝗮𝗹 𝗮𝗿𝗲𝗻𝗮𝘀 👉𝟏𝟓-𝟐𝟎 𝐦𝐢𝐧𝐮𝐭𝐞𝐬 𝐨𝐟 𝐠𝐚𝐦𝐞𝐩𝐥𝐚𝐲 ------------------------------------------------------------------------------ I've been working on and off this project for about 2 mo...306 downloadsupdated 4 y ago
• SSpaceSimby NeonInteractive model of our Solar System. Port to SteamVR Home coming soon Saturn has currently no ring lol285 downloadsupdated 6 y ago
• RReRoom #dejavuby 76561198373006683This place looks weird. What is it? Old resistance base? Abandoned construction site? And where the hell is it? What is this supposed to mean? Map created for #dejavu contest. The goal for this jam is to create a map with heavy emphasis on backtracking and or reusing space wisely. My first though...272 downloadsupdated 5 y ago
• UUnknown_Locationby Bhun- - Warning: moving train rides. Video of my playthrough :268 downloadsupdated 12 mo ago
• DDevMatch #VMJ5by BrainstormIts getting late in development hell. Defend the Tower of Light, last of its kind. This map is recommended to be played on normal difficulty. Map was created for MapJam 'The Greybox' #VMJ5 for the Source 2: Modding Hub The sources of the map are available for everyone interested here: Remember fa...249 downloadsupdated 5 y ago
• GGallery - Volumetric Fog and Gravity Testby 76561198859670142This map is purely me testing Volumetric Fogging or 'God Rays' and also playing with nonstandard gravity as seen in the vault at the end of the game. This map is very surreal btw. Perhaps some people who view this will know which location this is based off from real life - but not many, if at all...244 downloadsupdated 5 y ago
• PPaint Your Worldby 76561198373006683Welcome to my newest favourite gamemode, Paint Your World™. The rules are simple: you 'paint', I watch. You progress, I award you. Also, be aware of skirting boards. Shoot them several times. I just hate skirting boards. Hey, I'm a small mapper. I'm young and unskilled. I made these really cool m...229 downloadsupdated 4 y ago
• JJudge Dredd Sky Packby Leva the Drug LordCollection of 12 skyboxes from game Judge Dredd vs. Death. Addon contains the following skyboxes: Mega City One Basement Day Mega City One Docks Night Mega City One Hall Day Mega City One Basement Day Mega City One Hospital Day Mega City One Lab Night Mega City One Mall Night Mega City One Hospit...228 downloadsupdated 2 y ago
• JJoy #junebugbluesby SavageJoeAlyx has an emotional dream about a fallen comrade due to a big bowl of chili she ate the night previously. Made this in two weeks for the #junebugblues map jam. It’s a short and (hopefully) funny map with lots of custom sounds effects/music and some combat. —----------- Music Plague - Strafe sou...186 downloadsupdated 2 y ago
• EEat the Killer #VM7by SavageJoeThree possible killers. Short map for The Mysterous One. --------- Sounds/Music: Covert Affair - Film Noire by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. Source: Artist: Pills Shuffling (3).wav Scream 1 WAKE UP SCARED.mp3 County Lines - Telecasted Dark Memory - Si...185 downloadsupdated 4 y ago
• TTwo Pianos in Space!by CementStairsYou can play both pianos at once and even in SPACE!184 downloadsupdated 7 y ago

66 abstract mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.