Mods / Custom Mechanics

• RRecurve Bow - Campaign Addonby MarioWalrusAn addon for Half-Life: Alyx which adds a recurve bow to the main campaign. A version of this mod for those who use the left handed weapon mode can be found here: Features This bow can be used as an alternative to your regular arsenal of weapons. It can be picked up like a physics object and feat...65.5k downloadsupdated 6 y ago
• AApertureVR - Thinking Without Portalsby KrotterApertureVR is an addon that brings Portal 2 mechanics and assets to Half-Life: Alyx for both players and creators. Pushing the HL:A tools to their limits, you'll see old and new test elements and familiar looking aesthetics, but to solve the test chambers you'll have to be thinking without portal...55.1k downloadsupdated 5 y ago
• MMinigolfby MarioWalrusMinigolf in Half Life: Alyx. Now a 7 hole course with unique environments and holes! Play a short game of minigolf through an outdoor evironment built from the ground up using assets from the base game. You can now review your progress at the end too with tracking for shots, holes in one, boundar...34.8k downloadsupdated 6 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
• 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
• RRecurve Bow - Campaign Addon (Left Handed)by MarioWalrusThis is an alternate version of the Recurve Bow mod that works for the left handed weapon mode. As such, it does not work with the right handed weapon mode. Changing this option messes with some data which is hard to track so I made two separate addons. The bow can be used both left and right han...20.0k downloadsupdated 6 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
• BBody Holstersby FrostEpexBody Holsters Body Holsters is a global addon allowing you to store your weapons directly on your body instead of using the standard weapon selection menu. This addon require AlyxLib to work. How To Use Holstering: For most controllers: With a weapon equipped in your primary hand, hold your grip...16.0k downloadsupdated 6 mo 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
• RResin Watch (Item Tracker)by FrostEpexResin Watch Keep track of resin, ammo and items in any map using this watch which comes equipped with a nearby indicator and total counter so you'll never miss an upgrade or grenade! This addon requires AlyxLib to work. How To Use Tilt your non-dominant hand to your face as you would to see your...14.8k downloadsupdated 7 mo ago
• PPlayer Body - ALYX / GORDONby RitsukaThis mod depends on the Scalable Init Support addon / AlyxLib addon Content: Full player body of Alyx Vance and Gordon Freeman (based on preference) H.E.V suit callouts Preference menu, accessed by holding the B button for 1 second (Pistol Slide Release) Customized weapon attachment points to go...14.4k downloadsupdated 11 mo ago
• SScripted Item Test Range Mk IIby RectusRange with various scripted interactive items. Some of the items are originally from my SteamVR Home range map. Note that most of the items have bugs and limited functionality due to limited support for them in the game. Any feedback or suggestions are still appreciated. Feel free to use and modi...13.3k 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
• GGunman Combat Overhaulby Girth ControlTo use this mod, activate it within the addons menu of Half-Life: Alyx and play any map that doesn't already provide a "skill.cfg" file on Hard difficulty. Inspired by Gunman Contracts, this mod overhauls Half-Life: Alyx's combat. Health and damage values across the board have been rebalanced, ma...10.4k downloadsupdated 4 y ago
• [[P2] Sp_a2_triple_laserby TheBoxTrotSp_a2_triple_laser from Portal 2 remade in Source 2 with working game mechanics hopefully the first of many portal 2 remade levels to come Featuring working arrival and exit elevators Muisc and Glados audio Working Lasers and Cubes Hidden Puzzle Solver Button Important Note this Chamber is imposs...8.2k downloadsupdated 5 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
• BBuckshot Bugsby Soup MarioA shotgun only combat map where you're forced to both be attentive and aggressive to survive. Every shot matters, and if you're not observant you may have to scavenge while you're being attacked. Fight to the surface, get to the train, and make it home safely. Features -A fully custom soundtrack...7.1k downloadsupdated 3 y ago
• JJump Modby KrotterThis mod depends on the Scalable Init Support addon. With this addon enabled, you can perform jumps by pressing the jump/teleport button during movement, and can override the feather falling from the base game with a more realistic one if vrjump_falling_enabled cvar is set to 1. This addon will o...6.8k downloadsupdated 3 y ago
• DDilapidation [#VM6]by 🐾Toast🐾#VM6 -------------------------------------------------------------------- Aperture has been in a state of dilapidation for many years, and you've just stumbled your way into it. -------------------------------------------------------------------- Thanks to: ApertureVR for the assets! Portal - Ass...6.3k downloadsupdated 4 y ago
• CCave Explorationby ImDrinking_Coca1st place in the first Vaultmaps contest! The Combine found a powerful source of energy in a desertic cave and they are going to use it against the resistance. You need to make your way deep down the Xen infested cave and steal that battery from them. A few surprises are waiting for you, so you b...5.4k downloadsupdated 6 y ago
• TTHE BRIDGEby GreenKRAMERDESCRIPTION Remake of the map "d2_coast_8" from the legendary game Half-Life 2. ATTENTION!!! It is recommended to disable all third party addons. NoVR mod is not supported. Screenshots may differ from the current version. OPTIONAL If you have any questions or suggestions, write in the comments, t...4.3k downloadsupdated 4 y ago
• [[Portal 2] An Accent Beyondby 76561198882852673MOTION SICKNESS WARNING: There are fast-paced sequences. This is a combination of two Portal 2 maps: sp_a2_bts1 and bts2. These maps are part of the jailbreak sequence in Portal 2. Also see: The Courtesy Call Features: • Anything you find in the original maps should be here. This includes the mus...4.3k downloadsupdated 3 y ago
• HHalf Life: Interloper - Map 1 "Black Mesa" (Project on Hiatus)by DeegsWork in progress 3883 01010011 01101111 01110010 01110010 01111001 00100000 01100110 01101111 01110010 00100000 01110100 01101000 01100101 00100000 01110011 01100011 01100001 01110010 01100101 00101110 00001010 00001010 01010011 01101111 01110010 01110010 01111001 00100000 01100110 01101111 01110...4.0k downloadsupdated 20 mo ago
• FFast Headcrab Restoredby Resonλnce‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ "Almost immediately we cut the fast headcrab and the fast zombie from Half-Life 2. The shock of having that guy come around the corner and latch onto you before you'd even know what was going on...3.7k downloadsupdated 2 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
• AAntlion Arenaby XuothMap Story You're a combine soldier in an outpost surrounded by 3 antlion nests, your job is to defend it at all costs. Features -There are 5 manhack you can use, just throw them! -Face many enemies at the same time, make sure they don´t surround you! -Fight as a combine soldier. -Working Strider!...2.9k downloadsupdated 6 y ago
• HHatsune Miku HWM PDFT/Megamix+ portby B_CANSINHere is 01 vocaloid Hatsune Miku from Hatsune Miku Project diva future tone/Megamix+ yay! Usage: Source 2 Filmmaker S2FM - S2SFM / hammer for making map inculude her (do not reupload her add her as Required items ) / can be use as ragdoll Buy the game in steam to support Sega and Crypton Future M...2.8k downloadsupdated 3 y ago
• AAntlion Arena 2by CuserMap Story You're a combine soldier defending a laboratory that is near 3 antlion nests. An attack is imminent, we have asked for an airstrike, the attack helicopters will arrive in 15 minutes. Hold on soldier! Features -Antlions can jump over the walls -Difficulty selection system with 4 difficul...2.6k downloadsupdated 6 y ago
• FFIRE FLIGHTby I_Monarch_IYou've made it to the quarry under the cover of darkness. Tread lightly, move slowly, this district doesn't feel right... The the gateway is here. Find the multi tool, hack the door... ----------------------- There are branching and looping paths through the environment that can really change you...2.6k downloadsupdated 4 y ago
• TThe plank experience for Alyxby VanxThe crane lifts you up to the top of the Vertigo-Skyscraper from CS2, where the plank awaits you. Step onto the thin, cracking wood if you dare. You can also balance on the steel beams at dizzying heights. Other mini-games are: Push me (inspired by the famous map "Push people into hell") and Fly...2.3k downloadsupdated 20 mo ago
• OOn A Run #dejavuby CementStairsIMPORTANT NOTICE -------------------------------------------------------------------------- -IT IS RECOMMENDED TO BRING A CHAIR! OTHERWISE BE READY FOR A LOT OF KNEELING. -RELY ON BUILT-IN RESPAWN SYSTEM(DON'T DO YOUR OWN SAVES) -CAR CONTROLS: LEVER WITH 4 SPEEDS(FAST FORWARD, SLOW FORWARD, STOP...2.3k downloadsupdated 5 y ago
• GGet out the Houseby WydropTry to get out the other side of the house. Find keys, kill zombie, solve puzzles but don't die!2.2k downloadsupdated 4 y ago
• IInvasion - #VM5by CementStairsIMPORTANT NOTICE -------------------------------------------------------------------------- -DO YOUR OWN MANUAL SAVES(Autosaves can crash the game). -IF ANY ISSUE OCCURS, FEEL FREE TO REPLAY/SKIP ONE MAP THROUGH THE MAP SELECTION -EASY DIFFICULTY RECOMMENDED -BE AWARE THAT LOADING SAVES CAN CAUSE...2.1k downloadsupdated 5 y ago
• VVinny Almost Misses Christmas (Vinesauce)by FrostEpexYou are Vinny Vinesauce, a man living in his house looking forward to Christmas. But oh no! You've overslept on Christmas Eve without setting up for Christmas morning! Better hurry and get everything ready so you don't disappoint your friends!⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ This map contains some flashing lights in...1.9k downloadsupdated 3 y ago
• AAbandndby FrostEpex- Synopsis - As combine presence increases following the disappearance of Alyx Vance, a distress signal is sent out from a rebel research outpost. You are a rebel sent to investigate. - Description - This is a short map serving as a test for how we will work together as developers. As such, there...1.9k downloadsupdated 3 mo 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
• 44-Team Control Point alpha v0.5by RitsukaPlease enjoy this custom HL:A gamemode concept whilst it's being playtested and iterated upon. In this classic Control Point mode you can fight alongside your teammates to capture the objective and win the round. If you have any feedback, or something that you would like to see in this addon, ple...1.8k downloadsupdated 5 mo ago
• OOne Shot One Killby FrostEpexMakes combat extremely challenging by making bullets one shot kill for certain areas depending on the difficulty. Difficulty modes: Story : One shot one kill on player's head. One shot one kill on NPCs. 5x NPC melee damage. Easy : One shot one kill on player's head. One shot one kill on NPC heads...1.7k downloadsupdated 5 y ago
• TThe Matrix Rebooted: Part 3by Architect1.6k downloadsupdated 19 d ago
• TThe Matrix Rebooted: Part 2by Architect1.5k downloadsupdated 19 d ago
• TThe Matrix Rebooted: Part 4by Architect1.5k downloadsupdated 19 d ago
• TThe Matrix Rebooted: Part 1by ArchitectThis mod is still in development... Get ready to push the Source 2 Engine to its Limits... WELCOME, TO THE MATRIX REBOOTED! This mod is still going through changes/upgrades. Feel free to enjoy everything up to the Elevator Ride of the Lobby Shootout. Past that, there are a few bugs I'm working on...1.5k downloadsupdated 19 d ago

97 custom mechanics 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.