Half-Life: Alyx mods
Half-Life: Alyx game modifications & replacements mods
Everything filed under game modifications & replacements by its own author, ordered by how much it is used.
170 game modifications & replacements mods, most downloaded first · newest update 9 Aug 2026
AllAlyx Addon1.7kShort (less than 20m)524Maps519Models287Valve Games269Combine Soldiers267Action256Infinite / Looped241Textures213Ported Content204No Combat203Urban199Zombies193Headcrabs193Beginner192Hardcore176HL:A Campaign-like172Game Modifications & Replacements170Recreations & Remakes169Other Environment148Industrial143Showcase & Scenic142Asset Packs142Sounds134Sci-Fi129Adventure128Underground128Horror122NPCs119Miscellaneous Content114Weapons110puzzle107Developer Resources106Combine Structures105Custom Mechanics97Other Genre94Sandbox86Other Addon Type83Xenfestation82Other Theme80Other Enemies80Comedy75Scripts & AI73Nature71Antlions71Friendly Companions70Long (an hour)70Abstract66Exotic60Prefabs47Particles47Rural44Pop Culture43Jeff43Campaign (2 hours or more)43Defense & Arenas39Platforming & Climb39Fantasy38Quality Of Life36Stealth34Arcade & Minigames33Crime32Educational27Musical27Water23Open-World22Training21Vehicle12Historical11RPG10Snow10
170 game modifications & replacements mods
- Figley Resin Replacement (The Stanley Parable Ultra Deluxe)by Mettle MeekIt replaces the Resin with the collectable Figleys from The Stanley Parable Ultra Deluxe.1.3k downloadsupdated 5 y ago
- Flechettes Reskinby Bordie3DReplaces the default shotgun shell appearance with flechette ammo. Small nod to this addon above because controversially I think it looks pretty boss.1.2k downloadsupdated 4 y ago
- Akimbo Pistolsby FrostEpexThis is the public test for Akimbo Pistols. There is no guarantee it will work for you and may cause crashes in some situations. Please read everything below. This addon requires AlyxLib to work. Compatible with Body Holsters How do I get the Akimbo Pistol? For testing convenience the pistol is g...1.2k downloadsupdated 7 mo ago
- Gold AlyxGun / Pistol Skin with Black Gripby MiraVersion with wooden grips:1.1k downloadsupdated 4 y ago
- HL2/HLA Gordon Freeman Remastered REPLACEMENTby KomegatzeAn actual mod from me that only needs you to subscribe for it to work. Description: The One Freeman, the opener of the way. A Source 2 quality character remake of Gordon Freeman featuring HL2 accurate details. Find the original S2FM addon including appearance variations and more here This addon d...1.1k downloadsupdated 3 y ago
- Entropy : Zero 2 Bad Cop Voice Replacementby whatsReplaces Alyx's voice with Bad Cop's voice Why? I don't know, bored1.1k downloadsupdated 3 y ago
- Goofy Cat | Boykisser | PORTED | S2FMby 76561199171594923This model was ported from Gmod! Сlothes (& outline) by Stan_Jacobs Added clothes (Hoodie, Shirt, Shorts) Added accessories (Thighhighs, Arm Warmers, Collar) Added options to remove shoulder, thigh and chest fur The model was made by Keith3201 on Gumroad. Source(GMod) port by DarkShoro Source 2 p...1.1k downloadsupdated 2 y ago
- Half-Life 2 Content Collectionby siobyAdds most of Half-Life 2 content that is missing in Half-Life Alyx to the game. Since this game is technically Half-Life 3, the models from HL2 were missing and this addon basically fixes that. Didn't expect this to become popular. For now on i'll be updating this frequently. Some NPCs can be spa...1.1k downloadsupdated 4 y ago
- CS2 Slingshot Glovesby KrotterThis mod depends on the Scalable Init Support and the Glove Loader Script addon. This addon replaces your gloves with the Slingshot Gloves from Counter-Strike 2.1.1k downloadsupdated 3 y ago
- [Girls' Frontline 2] Klukai Replace Combine Captainby IBRSPorted from Garry's Mod Workshop. Klukai Replace Combine Captain. Creator: 8sianDude Garry's Mod Workshop: Girls Frontline 2 - Klukai 5 Pack Playermodels & NPCs1.1k downloadsupdated 10 mo ago
- Barehandedby KabubuYOU NEED KROTTERS GLOVE LOADER. IT WILL NOT SHOW UP IN THE BASE GAME IF YOU DON'T GET IT. A stylistic choice on what you put on your hands. Or lack thereof. As simple as it gets.. I removed the glove part of the model. Fully custom hand sculpt and textures. Enjoy!1.0k downloadsupdated 5 y ago
- Sageen's Half-Life: Alyx PLUS (HARDCORE MOD) [part 1]by CatBaitPreface (optional to read) Hi! It's me Sageen! I wanted to say that the addon you just clicked on is a kind of "reinterpretation" of my previous addon "Sageen's HARDCORE MOD". You probably want to ask me: "Do I have no other ideas?" And you're partly right, but only partly. The fact is that I rea...1.0k downloadsupdated 2 y ago
- Sageen's Half-Life: Alyx PLUS (HARDCORE MOD) [part 2]by CatBaitPreface (optional to read) Hi! It's me Sageen! I wanted to say that the addon you just clicked on is a kind of "reinterpretation" of my previous addon "Sageen's HARDCORE MOD". You probably want to ask me: "Do I have no other ideas?" And you're partly right, but only partly. The fact is that I rea...935 downloadsupdated 2 y ago
- Sageen's Half-Life: Alyx PLUS (HARDCORE MOD) [part 5]by CatBaitPreface (optional to read) Hi! It's me Sageen! I wanted to say that the addon you just clicked on is a kind of "reinterpretation" of my previous addon "Sageen's HARDCORE MOD". You probably want to ask me: "Do I have no other ideas?" And you're partly right, but only partly. The fact is that I rea...921 downloadsupdated 2 y ago
- Classic Vort Teethby THGSwaps the "human-like" teeth of the Vortigaunts for a fanged tooth smile from HL2 that they deserve. Features: 1:1 functionally identical model replacement Muscle sim & other procedural animation preserved Cloth physics recreated accurately Cool preview images A great big smile :) Note: I didn’t...914 downloadsupdated 6 mo ago
- Sageen's Half-Life: Alyx PLUS (HARDCORE MOD) [part 4]by CatBaitPreface (optional to read) Hi! It's me Sageen! I wanted to say that the addon you just clicked on is a kind of "reinterpretation" of my previous addon "Sageen's HARDCORE MOD". You probably want to ask me: "Do I have no other ideas?" And you're partly right, but only partly. The fact is that I rea...913 downloadsupdated 2 y ago
- Bullet Timeby AsakirîAlSancakFor Bullet Time with sounds check out the mod Bullet Time Ultimate: I use Quest 2 for development. Other headsets are not guaranteed to be compatible. One user reported that the mod doesn't work on Index. I assume this issue can be solved by making a custom mapping through steam's controller conf...907 downloadsupdated 4 y ago
- Auto Pickupby FrostEpexAuto Pickup Automatically pick up ammo and resin as you walk over them. This addon requires AlyxLib to work. How To Use Move close to an ammo or resin item to automatically collect it into your inventory. By default the item must have line of sight with the player (this can be changed with a cons...883 downloadsupdated 7 mo ago
- Pride Flagsby Mettle MeekIn honor of Pride month, here's a mod that replaces the Combine posters with LGBT+ pride flags. Works in both the campaign and custom maps. Being gay isn't political. Being trans isn't political.863 downloadsupdated 5 y ago
- Index Pistol Grip Onlyby EveAscendantGreetings! Today I bring something you didn't know you needed, my recreation of the grip from the index pistol, without the base! Neat huh? Features: Recreated grip material to match those of the index skin DLC. Credits ^-^: Valve for the original skin.812 downloadsupdated 4 y ago
- Black AlyxGun / Pistolby MiraI took Kat's "Index Pistol Skin" and modified it. Index Pistol Skin:789 downloadsupdated 4 y ago
- M1 Garand "Ping" Replacementby λrokhPeople only want one thing... This replaces the Pistol Slider Sound with the M1 Garand Ping. Features 4 different "ping" sounds Now you really want to shoot your last bullet in the chamber Sorry, this had to be done Tested this on the campaign and several mods - should work735 downloadsupdated 4 y ago
- Alyx Wears Glassesby FrostEpexBody Holsters Experience the unseen inconvenience of Gordon's combat as Alyx deals with her macular degeneration by donning a hastily constructed pair of glasses. This addon require AlyxLib to work. How To Use This addon should work in any map including workshop maps. You will start with glasses...726 downloadsupdated 2 y ago
- Half-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
- No Last Hit Soundby 76561198882852673This should eliminate the last hit sound that plays when you kill an enemy if you want/need to do that for any reason. Do remember that this gets rid of that sound completely; if anything else uses that sound, they will be silent too. Also, since the sound confirms that you actually killed an ene...619 downloadsupdated 4 y ago
- Fast Headcrab - HL2 Variantby kheperaThis a re-texture made for the Fast Headcrab Restored mod that mimicks the fast headcrab texture from Half-Life 2 and its episodes In the addon's in-game menu, enable Fast Headcrab Restored FIRST Then, enable Fast Headcrab - HL2 Variant AFTER When starting the game with addons, the menu should lo...608 downloadsupdated 2 y ago
- Pulse rifle smg sound replacementby 76561198930443609Do you like the beefy juicy thiiiick sound of the Ordinal's Ar2 rifle? Well here you go!597 downloadsupdated 4 y ago
- Liquid Divinum | Resin Replacementby [RNGO] AtomsWhile exploring throughout the known and unknown universe, seek out Liquid Divinum to create new elixirs and gumballs at Doctor Monty's Factory to increase your chances for survival against the undead heading your way! Note: • From Call of Duty: Black Ops 3 Zombies. Credits: • Activison / Treyarch557 downloadsupdated 5 y ago
- HL:Austria Corona Fiebertraumby 76561198797852707Half-Life: Austria – A Fever Dream in VR (Pre-Super-Early-Alpha Release) I had a dream. But not the kind of dream Martin Luther King had. It was more of a fever dream during the corona pandemic. Everyone had their own way of dealing with the challenging lockdown times during the pandemic. In my c...556 downloadsupdated 21 mo ago
- Lower Gravity modby NeonExperience the Half-life: Alyx campaign in lower gravity! Caution: Lower gravity also affects the player, that means you. Be careful not to launch yourself into the space. This mod doesn't affect the last chapter. Also you won't be able to open the yellow supply containers, lockers and etc.556 downloadsupdated 6 y ago
- Colette Green HEV Handsby EveAscendantGreetings! Today I bring my HEV hands of the character Colette Green from the coop game Half-Life Decay. They are compatible with Glove Loader Script, but I recommend installing the old way to prevent numerous bugs with the hands while using the script. Also the detail on the arms makes dark-red...545 downloadsupdated 4 y ago
- Companion Cube Gnomeby NeonCompanion Cube Gnome. For Science. This mod replaces the gnome model with a miniature version of the Companion Cube from the game Portal 2. Companion cube model comes from the the Aperturevr mod.517 downloadsupdated 4 y ago
- [Girls' Frontline 2] Peritya Replace Combine Suppressorby IBRSPorted from Garry's Mod Workshop. Peritya Replace Combine Suppressor. Creator: 8sianDude Garry's Mod Workshop: Girls Frontline 2 - Peritya 4 Pack Playermodels & NPCs510 downloadsupdated 10 mo ago
- Less Dramatic Manhacksby THGTrails of glowing blue smoke, fire and lens flares begone. Reduces the dramatically, almost comical, glowing particles of manhacks while still aiming for the same goals for visibility (easily seen in dark areas, clearly visible in close range.) Features: Cheaply rendered emissive lighting. (same...463 downloadsupdated 6 mo ago
- HL2 Combine Shieldsby THGHeavily edited materials and particles to rework the Combine Shields AKA Energyfields / Fences / Gates to be more like their appearance from Half-Life 2. Features: Fake refractive appearance. Reactive particles. Dynamic animation. Custom near and touch sounds. Video bitrate destruction as a bonus...453 downloadsupdated 6 mo ago
- shut alyx upby GL1TCHmute Alex, completely removing her voice lines for the game mostly used for immersion purposes but will also take away from some scenes so i wouldn't recommend using this on your first play through doesn't work on others maps but works on the main game434 downloadsupdated 2 y ago
- Grogu (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
- Half-Life 2 Alyx voice replacementby whatsJust as the title says, this mod replaces Alyx's voice. Are you tired of Half-Life:Alyx having a different voice from HL2? Well, get this mod then! did this while bored I will update it, so if you find any bad voice sounds, just leave it in the comments. Credits: scruffygamer for the RVC model Kr...425 downloadsupdated 3 y ago
- Mane Six Gnome Replacementby 76561198373006683About this mod This mod replaces Gnome Chompski with My Little Pony: Friendship Is Magic Mane Six characters: Twilight Sparkle, AppleJack, Pinkie Pie, Rainbow Dash, Rarity and Fluttershy. Yes, there are 6 of them, and instead of being random, you can take any of them. Or even all six of them! I w...423 downloadsupdated 3 y ago
- TTK Rebalanceby SilverA cfg set that's low-key kinda based on COD: Modern Warfare 2019's veteran campaign difficulty. Lowered TTK across the board (AKA everyone dies much, much quicker), with other changes depending on the chosen difficulty level. Default combine can be killed with one pistol headshot, while armored v...418 downloadsupdated 4 y ago
- Shnome Shompskiby awoo~This addon replaces Gnome Chompski with a Shumo plush. Take her with you on your journey. Carry her around in your capable arms. Squeeze her tightly with your big strong hands. Protect her from the evil bad guys (or throw her at them as a distraction). Punch her to relieve stress or throw her aro...415 downloadsupdated 16 mo ago
- Suppressor Blood Fixby THGA long overdue unofficial patch to fix the appearance of blood on the Combine Suppressor (where blood disappears from a short distance.) Fix for several mesh issues with the standout feature being the missing blood UV for LOD models.414 downloadsupdated 6 mo ago
- Gasmask 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
- Gina Cross HEV Handsby EveAscendantGreetings! Today I bring my HEV hands of the character Gina Cross from the coop game Half-Life Decay. They are compatible with Glove Loader Script, but I recommend installing the old way to prevent numerous bugs with the hands while using the script. Installation: Watch paradox's tutorial (HIGHLY...387 downloadsupdated 4 y ago
- Metrocop Glowing Eyes - HL2/Ez1 styled goggles retextureby KomegatzeDescription: A simple replacement material of the metrocop head to have glowing eyes like that of the hl2 promotional art (or entropy zero) Credits: replacement - Komegatze Renders by Komegatze Tags: Metrocop , goggles , eyeglow , eye , glow , texture , replacement, light , entropy zero , combine...358 downloadsupdated 6 mo ago
- Half-Life: Acid Dynamicby NeonHalf-Life: Acid Dynamic is an updated version of Half-life: Acid. Half-life: Acid Dynamic adds new post-processing effects to the singleplayer campaign only. The colors will change every few seconds. Start on the second chapter!352 downloadsupdated 5 y ago
- Purple Pistol - Pistol Model / Texture Replacementby Mercy - Controller GamingINTRODUCTION This replacement mod aims to replace the original Vanilla Pistol with the equivalent of a COD Skin. Its a metallic purple that shines really well against lights, so just take a break and admire it every once in a while! IMPORTANT This mod doesnt include the sounds anymore, if you wan...348 downloadsupdated 7 mo ago
- No red trail on frag grenadesby StinkusThis mod removes the red trail on frag grenades. Do you consider yourself a hardcore gamer? Are you bored by those easy to spot grenades? Do you want more realism? Then get this mod! Grenades are harder to spot without the red light so rely on your hearing to avoid getting hurt.315 downloadsupdated 4 y ago
170 game modifications & replacements 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.

