Mods / Open-World

• 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
• RRED DUSTby I_Monarch_I:COMBAT CAMPAIGN : Designed for smooth locomotion -------------------------------- Be Swift, be merciless, watch your back. I recommend starting on NORMAL difficulty, for all but skilled weapon handlers, the sheer number of enemies will be challenging. In this series of 6 dynamic combat focused a...7.2k downloadsupdated 4 y ago
• SSky Mesaby 76561199111603847For those looking for shooters, there is no combat in this map. Sky Mesa is an effort to recreate the sense of awe and wonder I got from the opening of Half-Life: Alyx. I wanted to create bright, open spaces where I would want to be. This update reflects what I’ve learned in the last few years. I...4.0k downloadsupdated 13 mo 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
• SSaul and the Time Machineby SHAPESYou need this to play don't forget to enable both WARNING - The enjoyment of this mod relies on the fact the player has watched the entire Better Call Saul/Breaking Bad Universe. If you haven't, then go watch it first Play as Saul Goodman in a what if scenario where the events of Bagman never hap...2.9k downloadsupdated 3 y 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
• SSilver Hillby ABSTRACT_DUCKLooks like you're late ... and plans went under. Everithing is up to you now. We have to shut down that tower for good Alyx ! - Russel Featuring song: Pixelater by _53.k Check out _53.k on soundcloud :2.1k downloadsupdated 4 y ago
• Dd2_coast_12 (Source 2 Remake)by 76561199073832016d2_coast_12 (Source 2) is a remake of the famous level d2_coast_12 of the chapiter Highway 17 in Half Life 2. This remake uses all the fetures of Source 2 avaible in Half Life Alyx, sadly some features found in the original map could not be ported over Source 2 since the engine does not have supp...1.2k downloadsupdated 23 mo ago
• BBivouacby FrostEpex"An hour's walk to the nearest town to mail a letter, can you believe it? Don't worry, that won't stop you hearing from me. I've set up camp already and the pine smells delish! Now I get a chance to explore so I can give you a guided tour~ You'll get 3 more letters from me before you head out. On...1.1k downloadsupdated 4 y ago
• OOperation: Overlordby gokutofuABOUT Remastered version of the older Operation: Overlord map. This one aims for more historical accuracy and a more live environment. Yes that means swastikas are in the map. Sprint mod is recommended but not required. FEATURES Contains a working Tank, friendly Combine, destruction and a open en...807 downloadsupdated 3 y ago
• OOperation: Overlord (Old)by gokutofuABOUT Operation: Overlord is a historically accurate World War 2 Combat map. (Nazi symbols are NOT included) Eventually I might add custom allied and axis soldier models. FEATURES Contains a working Tank, friendly Combine, destruction and a open environment. EXPERIENCE Map is From 10 - 20 minutes...748 downloadsupdated 3 y ago
• MMY HOUSE IRLby 76561199680515409it is my house irl but in half life! this may not work bc it is my first map and im js testing stuff out. but it has entitys like zombies, crabs, ect, it has guns, ammo, and a lot of interactible items! please rate my map!387 downloadsupdated 23 mo ago
• AAbandoned Mallby 76561198354951337Just in time for spooky day, this map focuses on an empty abandoned mall, so go ahead, and take a drink or two from the bar, nobody's stopping you. Strangely though, it seems as if the place was never even touched, left in perfect condition aside from few things, no signs of break-ins or theft. M...323 downloadsupdated 4 y ago
• SSmooth Escape(Test Map)by 76561199075381326A combat in my school258 downloadsupdated 4 y ago
• CCourtyardby 76561198354951337This is a projects-style courtyard based off of the courtyard fight scene in The Matrix: Reloaded with some slight tweaks, there's not much to do here, you can chill out and enjoy the autumn afternoon or hit some sick X Games tricks with one of the bikes! There are some weird bugs that I might fi...201 downloadsupdated 4 y ago
• 33d scan living room!!!by 76561199680515409it is a 3d scan of my living room irl. i also scanned individual objects in my house and made them interact to the player. the map is small because i did not have the materials to scan my entire house but I did get a decent scan of my living room! there are no npc's so i would suggest to get the...200 downloadsupdated 23 mo ago
• Ttl_bluecourt2by 76561198798630965Remaster of gm_bluecourt in Source 2! Custom textures! Fun! Take a better look at the map with this video by Skummeh: Thank you Skummeh! I will get to updating this map and adding spawn ammo eventually!193 downloadsupdated 4 y ago
• DDinosaur Half-Life Alyx MODby PC-100This is my incomplete dinosaur test map, a long dead project. Someone please take this project over. All the dinosaur models are here thanks to the excellent work of Carpethop. BTW: You will need a beefy rig to play this one at a decent framerate. Enjoy the Dinosaur Half-Life Alyx MOD.189 downloadsupdated 4 y ago
• LLeft 4 Dead 2 SFM -> S2FM Port (NOT DONE)by 76561199231943078Just a straight port no model or texture fixing so ALOT of things won't be correct I might comeback and fix everything later but for now I'm not planning on doing it anytime soon (AGAIN THIS IS NOT DONE WHAT SO EVERY)150 downloadsupdated 3 y ago
• FFinnish Islands - #VM5 - Global Domination Contestby WillhartThe Combine are planning something. Kill them all before they can cause any more trouble! The Gulf of Finland is the easternmost arm of the Baltic Sea. It contains numerous banks, skerries and islands, and the bottom of the gulf is one of the world's largest ship cemeteries. I do Half Life Alyx v...114 downloadsupdated 5 y ago
• Ffruity citrus weaponsby 76561199247673324have a fruity and bright day with the all new fruit weapons in 16k ultra 4k hd uhd 3d 8k NEW Mod: id=3634698156 tags: #lemon #reskin #guns #grenadeskin #citrus #ripe #hd #4k #16k #uhd #free #ingame #ultrahd #hd77 downloadsupdated 10 mo ago
• Ddl_midtown from Deadlock (WIP)by dirtkiller23A WIP port of dl_midtown from Deadlock with VIS disabled and no lighting. used to decompile the map resources and the map.38 downloadsupdated 16 mo ago

22 open-world 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.