Mods / Action

• LLEVITATION (Part 1)by FMPONELEVITATION is a community campaign featuring: New story (3-4 hours in length) New voicelines New character animations Eight challenging levels Subscribe: This is Part 1 of 5. Subscribe to LEVITATION's Workshop Collection. Enable all parts via Manage Add-ons, then play Part 1 and enjoy -- the leve...115.4k downloadsupdated 4 y ago
• LLEVITATION (Part 2)by FMPONELEVITATION is a community campaign featuring: New story (3-4 hours in length) New voicelines New character animations Eight challenging levels Subscribe: This is Part 2 of 5. Subscribe to LEVITATION's Workshop Collection. Enable all parts via Manage Add-ons, then play Part 1 and enjoy -- the leve...101.1k downloadsupdated 4 y ago
• LLEVITATION (Part 3)by FMPONELEVITATION is a community campaign featuring: New story (3-4 hours in length) New voicelines New character animations Eight challenging levels Subscribe: This is Part 3 of 5. Subscribe to LEVITATION's Workshop Collection. Enable all parts via Manage Add-ons, then play Part 1 and enjoy -- the leve...98.4k downloadsupdated 4 y ago
• LLEVITATION (Part 4)by FMPONELEVITATION is a community campaign featuring: New story (3-4 hours in length) New voicelines New character animations Eight challenging levels Subscribe: This is Part 4 of 5. Subscribe to LEVITATION's Workshop Collection. Enable all parts via Manage Add-ons, then play Part 1 and enjoy -- the leve...98.2k downloadsupdated 4 y ago
• LLEVITATION (Part 5)by FMPONELEVITATION is a community campaign featuring: New story (3-4 hours in length) New voicelines New character animations Eight challenging levels Subscribe: This is Part 5 of 5. Subscribe to LEVITATION's Workshop Collection. Enable all parts via Manage Add-ons, then play Part 1 and enjoy -- the leve...97.0k downloadsupdated 4 y ago
• CC17YSCAPE ([OLD VERSION] [Check description!])by PrivateHorseLegsIMPORTANT NOTE: This is an old version of the mod. If you want to play the updated version, download the mod here: ------------------ Taking place in City 17 during events between Half-Life: Alyx and Half-Life 2, you are a citizen who was just now captured by the Combine and and kept prison in a...91.7k downloadsupdated 6 y ago
• MMine Break - Chapter 1by SadlyItsBradleyPart 2: From the creator of "Crash Course," Here is a whole new project with a larger line of sight. Story The Metro Police did a surprise inspection of your sector and found that your building's residents had ties to a growing resistance. Eviction, or rather, escape - was necessary. In order to...74.1k downloadsupdated 6 y ago
• CCrash Courseby SadlyItsBradleyStory You are an underground Biologist studying Xen creatures for purpose in helping the resistance. After a recent transgression above ground, it seems the Combine have found out about your deeds and are at your door - trying to stop it. Your objective is to escape the war torn area filled with...64.4k downloadsupdated 6 y ago
• BBrutal Bloodby cazanuAlways tought the blood textures in Alyx were repetitive and there wasnt any blood mod,so i made new ones inspired by real forensics pictures and live leak videos Features -Animated blood dripping down and sometimes meat chunks and bits if an enemy is near a wall. -36 variations of realistic hand...57.5k downloadsupdated 21 mo ago
• 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
• GGoon Squadby G KafYou and your Combine squad are trapped in a quarantined sewer system. Find a way out and escape! First place winner of the Vaultmaps Trapped competition! This is a standalone release that polishes the original contest map. Have fun! I'd love to hear your thoughts on the map in the comments! Donat...39.1k downloadsupdated 6 y ago
• MMine Break - Chapter 2by SadlyItsBradleyFrom the creator of "Crash Course" and MineBreak part 1. Here is a the continuation of the multi-level campaign that has got some people talking. Story After reaching what seemed to be the end of the Mine in chapter 1, you had a quick run in with the combine that caused the final tunnel to cave i...36.7k downloadsupdated 6 y ago
• CC17YSCAPE Update (Part 2/2)by PrivateHorseLegs1ST NOTE (VERY IMPORTANT!!!!!): Before playing this mod, make sure to have both Part 1 and Part 2 installed AND enabled! The map transition between the two mods will not work if not followed correctly. 2ND NOTE: Please check the "Change Notes" tab to see what has been updated for the mod. 3RD NOT...34.6k downloadsupdated 3 y ago
• CC17YSCAPE Update (Part 1/2)by PrivateHorseLegs1ST NOTE (VERY IMPORTANT!!!!!): Before playing this mod, make sure to have both Part 1 and Part 2 installed AND enabled! The map transition between the two mods will not work if not followed correctly. 2ND NOTE: Please check the "Change Notes" tab to see what has been updated for the mod. 3RD NOT...34.4k downloadsupdated 3 y ago
• LLoco-motiveby marnamaiAlyx, it’s me – Russell! In case you couldn't tell. Now, if we want to get this resistance thing off the ground, we're gonna need supplies. Lots of ‘em. We’ve got a lead on a cache somewhere in this trainyard – should be in a yellow wagon. There’s a train standing by waiting to extract it. I, uh....26.4k downloadsupdated 5 y ago
• RReturn To Rapture Chapter Twoby wim.buytaert.1988GUYS I AM HAPPY TO SHOW YOU THE REVEAL TRAILER FROM MEMOREUM MY NEW UPCOMMING VR HORROR GAME Quest owners and those experiencing crashes, please set your textures to LOW (leave fidelity on High or Ultra). Higher textures will cause crashes on Quest devices. Please also play wired if possible for...23.5k downloadsupdated 5 y ago
• DDismembermentby CementStairsGroovy! Features Dismemberment of enemy limbs after death! Gibbing on explosion! Extra blood and gore particles! Support for all maps! Works for both Combine Grunts and Officers! Simply put, enough BLOOD for all your needs! So, what are you waiting for?! Important Notes Make sure to enable Scalab...23.4k downloadsupdated 4 y ago
• AAlyx Bond - Runway (Demo)by ChimonaheheYour time has finally come, Agent Alyx Bond. Play the first chapter “Complex” in an experience that is unlike any other as you enter into Soviet Combine territory. Alyx Bond: Runway is the infusion of over 21 developers who worked hard to bring out the best in Source 2. Featuring custom composed...23.2k downloadsupdated 5 y ago
• CCorneredby Citizen_001Some weeks after her foray inside the Vault, Alyx Vance awakes one morning on the outskirts of City 17 in an unassuming apartment on the eleventh floor of a dilapidated tower block. With the Combine still on high alert and making every effort to hunt her down, she is attempting to lie low. But th...21.3k downloadsupdated 4 y ago
• GGarage Masterby GvaradosUnlock the full potential of the garage. Become the GARAGE MASTER! This is a 15-ish minute campaign map. I made this in 3 days, before the tools released. Follow my twitter or join my discord for more maps!21.1k downloadsupdated 7 y ago
• DDesert Eagleby cazanuThis bad boy should precipitate combine balls into shrinking Bored of the vanilla bb gun?put them to sleep with this DESERT EAGLE .50 enable scalable init support for proper damage and magazine size goes well with my for proper satisfying kills note:hearing loss is not mod related19.6k downloadsupdated 3 y ago
• PPost-Humanby ihonnyboyThese buildings are a eulogy to the end of an age, and a monument to a new one. You don't belong here. This place is a GRAVE. Description Join Alyx and Russel as they try to escape the wasteland. Out here, all you have are your wits and your weapons. Supplies are limited; keep your cool, watch yo...18.3k downloadsupdated 3 mo ago
• HHalf-Life: Zhepticsby BrainstormHalf-Life: Zheptics You are Alyx, who was sent on a mission with her brother for the resistance. As you explore the forgotten research facility 'Zheptics' from Black Mesa, things start to spiral out of control, culminating in a finale with everything at stake. Expect classic campaign gameplay of...17.5k downloadsupdated 3 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
• BBLOPS17: Emergent (Zombie Wave Survival)by os_Overview BLOPS17: Emergent is a complete gamemode built into an original map layout, inspired by the mechanics of a classic zombies series. This map includes a point-based economy system, infinite zombie wave mechanics, window barricade mechanics, unlockable map regions and unlockable weapons. Af...16.8k downloadsupdated 5 y ago
• IImproved Crowbar Mod - Campaign Versionby CementStairsImproved Crowbar Mod Aims to improve upon the currently available Crowbar addons by including many requested features, that make using this weapon much more comfortable and useful. Ever wanted to feel like Gordon Freeman? Are you disappointed by the lack of melee weapons in HL:A? Do you believe y...16.6k downloadsupdated 5 y ago
• PPyromantic Gatekeeperby JWIt's time to leave City17. Alyx gets help from resistance member Ivan who is also quite cunning. Use his bombs and traps to obliterate your foes so you can rejoin with your father in Black Mesa East. About gameplay: - new explosive traps that can be dealt with gravity gloves - new bombs that can...16.5k downloadsupdated 6 y ago
• FFrom Here To There (Part 1 of 3)by ChiueyCreated by Chiuey - OPEN BETA *This campaign requires physical climbing of in-game ladders and objects. Start the campaign with the map "T-Day_Intro" Collect 80 total resin or more for a Bonus You must ENABLE the 3 addon parts and 4 REMADE ASSETS parts to play. ___________________________________...16.3k downloadsupdated 4 y ago
• FFrom Here To There (Part 2 of 3)by ChiueyThis is the REQUIRED (Part 2 of 3) for the From Here To There Add-on.16.1k downloadsupdated 4 y ago
• FFrom Here To There (Part 3 of 3)by ChiueyThis is the REQUIRED (Part 3 of 3) for the From Here To There Add-on.16.1k downloadsupdated 4 y ago
• SSprint Button Modby CementStairsSprint Toggle Button Adds a long-time requested freature - the ability to run quicker with just press of a button! Was Half-Life: Alyx always too slow for you? Are you a person who enjoys action and a bit of adrenaline? Do you want to quickly empty your stomach? Then this mod is just for you! IMP...15.9k downloadsupdated 5 y ago
• CCoD Zombies VRby PancakesIt's a Call of Duty Zombies style game mode in HL:A, See how long you can survive! I've unfortunately lost the source to this mod, so there will not be any more updates List of Features: 4 Maps - House, Train, Bones and Snow, with dark modes Auto healing Custom Settings Doors to buy Drops Perks P...15.5k downloadsupdated 4 y ago
• MMore Resinby sonikku dammitOver 140 new resin pod locations for the campaign of Half-Life: Alyx. Search high and low for red-colored resin pods while admiring the beautiful environment of Half Life. Resin pods are shaded red. The color will only be visible in direct light. Pairs beautifully with the Resin Detector mod if y...15.0k downloadsupdated 6 y ago
• ||Portal 2| The Courtesy Callby 76561198882852673start with map sp_a1_intro1 MOTION SICKNESS WARNING: There are fast-paced sequences. This experience was designed with Smooth Locomotion in mind. There may be issues if you use launch options that increase the default smooth locomotion speed. If you want to get in touch with me or follow developm...12.6k downloadsupdated 11 mo ago
• TThe Courtesy Call - Remaining Mapsby 76561198882852673These are the maps that didn't fit within the 2GB limit for the Main Addon.12.2k downloadsupdated 11 mo ago
• TThe Courtesy Call - Required Assets 3/3by 76561198882852673This required pack contains Models/Sounds for my port of chapter 1 of Portal 2. Main Addon12.0k downloadsupdated 11 mo ago
• VVerticalby Mettle MeekAlyx is on a mission to shut down a Combine power substation in a formerly under-construction urban highrise. (A short map based on Vertigo from Counter Strike 1.6, playtime is about an hour)11.9k downloadsupdated 5 y ago
• MMonomythby jonoPorterAwakened from stasis, you are an unknown protagonist tasked with a single objective inside one of the Combine's most oppressive facilities: Nova Prospekt. Helping you with this task is a radio operator with intentions not quite clear to you except that he wants you to succeed with your objective....11.4k downloadsupdated 5 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
• MMapping Contest - Combine Presence (ADDON 1 of 2)by GvaradosThis is a compilation addon of an old contest. I recommend searching the workshop to find new versions each map :) ADDON PART 2: Half-Life: Alyx Modding Hub & Half-Life Discord Mapping Contest Information This is the mega addon for the first HLA mapping contest. It was hosted by Gvarados in colla...10.4k downloadsupdated 6 y ago
• MMapping Contest - Combine Presence (ADDON 2 of 2)by GvaradosThis is a compilation addon of an old contest. I recommend searching the workshop to find new versions each map :) ADDON PART 1: Half-Life: Alyx Modding Hub & Half-Life Discord Mapping Contest Information This is the mega addon for the first HLA mapping contest. It was hosted by Gvarados in colla...9.9k downloadsupdated 6 y ago
• OOPERATORby CementStairsThere is no point in trying to disobey. It is time. Again... Features Hardcore close-quarter combat Feverish brutalist geometry Dismemberment of limbs for Combine Grunts! Designed around Smooth Locomotion first! Horror themes with bio-mechanical inspiration Appropriately sickly color palette And...9.8k downloadsupdated 4 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
• AAcross the Coast V1.5by PrivateHorseLegsThis is version 1.5 of "Across the Coast." This is the same as the first map, but with a few minor changes to it. You can find the changelog in the "Change Notes" tab. I know I could've updated the old map, it's just that the workshop wouldn't let me do so for some reason. ---------- You have fai...9.5k downloadsupdated 6 y ago
• PProspekt Attritionby jonoPorterReturn to Nova Prospekt with Prospekt Attrition! Rumors are going around that the Combine are re-purposing an old Russian gulag and are turning into something way worse. Desperate for more information Alyx travels to said facility to take a closer look and gain some insight into what the Combine...9.4k downloadsupdated 6 y ago
• TTreasure Troubleby GvaradosOh no! They've taken your treasure! This map take about 30 minutes to play and is almost 100% combat. You have unlimited pistol ammo. I made this map in about 4 days, before the workshop released. Follow my twitter or join my discord for more maps!9.2k downloadsupdated 6 y ago
• SStorm Drainby SmurftYoursIntro: Russell - Alyx, come in. Hey Alyx! Oh, there you are. Can you hear me? I found a bunch of subterranean map data for your area of the city! Alyx - No shortcut? Russell - Yeah, that IS the shortcut... Story: Do you have what it takes to navigate the Storm Drain and get yourself on the next t...8.9k downloadsupdated 4 y ago
• MMerciless Half Life Alyx by Cuserby CuserThis addon improves npc`s behaviour and makes the gameplay more challenging. Gameplay videos by Skummeh Here you will find some videos showing how the gameplay is with my addon enabled. Thanks Thanks paradox for making the cover and figuring out a fix for making this addon compatible with nemez s...7.8k downloadsupdated 4 y ago

256 action 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.