Mods / Sci-FiHalf-Life: Alyx mods
Half-Life: Alyx sci-fi mods
Everything filed under sci-fi by its own author, ordered by how much it is used.
AllAlyx Addon1.7kShort (less than 20m)524Maps519Models287Valve Games269Combine Soldiers267Action256Infinite / Looped241Textures213Ported Content204No Combat203Urban199Zombies193Headcrabs193Beginner192Hardcore176HL:A Campaign-like172Game Modifications & Replacements170Recreations & Remakes169Other Environment148Industrial143Asset Packs142Showcase & Scenic142Sounds134Sci-Fi129Adventure128Underground128Horror122NPCs119Miscellaneous Content114Weapons110puzzle107Developer Resources106Combine Structures105Custom Mechanics97Other Genre94Sandbox86Other Addon Type83Xenfestation82Other Enemies80Other Theme80Comedy75Scripts & AI73Nature71Antlions71Long (an hour)70Friendly Companions70Abstract66Exotic60Prefabs47Particles47Rural44Campaign (2 hours or more)43Pop Culture43Jeff43Platforming & Climb39Defense & Arenas39Fantasy38Quality Of Life36Stealth34Arcade & Minigames33Crime32Musical27Educational27Water23Open-World22Training21Vehicle12Historical11RPG10Snow10
129 sci-fi mods
- LEVITATION (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...113.4k downloadsupdated 4 y ago
- LEVITATION (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...99.4k downloadsupdated 4 y ago
- LEVITATION (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...96.7k downloadsupdated 4 y ago
- LEVITATION (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...96.5k downloadsupdated 4 y ago
- LEVITATION (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...95.4k downloadsupdated 4 y ago
- Mine 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...73.9k downloadsupdated 6 y ago
- Crash 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...64.2k downloadsupdated 6 y ago
- ApertureVR - 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...54.6k downloadsupdated 5 y ago
- Mine 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...36.6k downloadsupdated 6 y ago
- Halo Energy Swordby KrotterThis addon adds the Halo Energy Sword to the campaign as a melee weapon, which can be found at the start of every level (except Entanglement (intro), Jeff and Point Extraction (ending)). Because of limitations, it is removed from your hand/wrist pockets after a level transition, but you can pick...23.4k downloadsupdated 6 y ago
- Corneredby 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...21.0k downloadsupdated 4 y ago
- Pyromantic 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...16.4k downloadsupdated 5 y ago
- From 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. ___________________________________...15.9k downloadsupdated 4 y ago
- From Here To There (Part 2 of 3)by ChiueyThis is the REQUIRED (Part 2 of 3) for the From Here To There Add-on.15.7k downloadsupdated 4 y ago
- From Here To There (Part 3 of 3)by ChiueyThis is the REQUIRED (Part 3 of 3) for the From Here To There Add-on.15.6k downloadsupdated 4 y ago
- More 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...14.6k 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...12.0k downloadsupdated 10 mo ago
- The Courtesy Call - Remaining Mapsby 76561198882852673These are the maps that didn't fit within the 2GB limit for the Main Addon.11.5k downloadsupdated 10 mo ago
- The Courtesy Call - Required Assets 1/3by 76561198882852673This required pack contains Materials for my port of chapter 1 of Portal 2. Main Addon11.4k downloadsupdated 10 mo ago
- The Courtesy Call - Required Assets 3/3by 76561198882852673This required pack contains Models/Sounds for my port of chapter 1 of Portal 2. Main Addon11.4k downloadsupdated 10 mo ago
- The Courtesy Call - Required Assets 2/3by 76561198882852673This required pack contains more Materials for my port of chapter 1 of Portal 2. Main Addon11.4k downloadsupdated 10 mo ago
- Compliance 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...11.3k downloadsupdated 6 y ago
- Monomythby 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....11.2k downloadsupdated 5 y ago
- DL-44 Blaster (Pistol Replacement)by KrotterThis addon replaces the default pistol with Han Solo's DL-44 Blaster from Star Wars. Includes custom sounds, particle effects, upgrade models and left-handed support. Models (base gun and scope) and sounds are from Star Wars: Battlefront II (2017).9.7k downloadsupdated 6 y ago
- Compliance 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...9.4k downloadsupdated 5 y ago
- [p1] Test_Chamber_01 & Test_chamber_02 DuelPackby TheBoxTrotTwo Maps in one scientific package the first two maps from portal 1 more is in the works >:) Featuring Working Portals by Adesi full Glados dialogue destructible cameras Flushable Toilets !!! working count down (seems to not be working but works in my local copy so idk) Credits: Assets such as fi...9.1k downloadsupdated 5 y ago
- STAR WARS Tatooine Test Mapby VoikanaaTatooine from STAR WARS Testing Source 2 Has working lightsaber that can block Source files download: mediafire(DOT)com/file/u3f5d21hlq14swe/alyx_vader.rar7.7k downloadsupdated 4 y ago
- Apex Legends: Wingman - Pistol Replacementby KabubuShipped straight from The Outlands, the Wingman is a heavy revolver used versitle fire fights. A fitting replacement for Alyx. This features the Wingman and Sound Effects ported from Apex Legends, custom hand animations, alternative weapon attachment models and left-handed support! Currently the...7.5k downloadsupdated 4 y ago
- Pistol Replacement: Doom 2016 EMG Pistolby Mettle MeekLeft-hand support included. Note: The energy module underneath the barrel is an upgrade. You'll need to upgrade the gun to add it on.6.4k downloadsupdated 4 y ago
- Abductionby kheperaWake up in a dilapidated combine prison after a sudden capture, and fight your way through enemies to complete your mission of destroying the place once and for all! Special thanks to the Source 2: Modding Hub for helping me through the painful process of bug fixing and the Half-Life 2 Remade Ass...6.0k downloadsupdated 4 y ago
- Pistol Replacement: Deus Ex HR Zenith 10mmby Mettle MeekThe Zenith 10mm from Deus Ex: Human Revolution. Includes custom upgrades! As usual, left-hand support included.5.0k downloadsupdated 4 y ago
- Pistol Replacement: Seburo M5by Mettle MeekIt's the Seburo M5 handgun from the Ghost In The Shell franchise. Supports left-handed users and has a custom firing sound. Model by Tuuttipingu on Sketchfab, with minor edits by me. Sound is ripped from Ghost In The Shell Stand Alone Complex First Assault Online.4.4k 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...4.2k downloadsupdated 3 y ago
- Apollo Assault! #VM5by MarKEYRestart game after playing as this might affect other maps Highly recommended to disable all other addons Apollo Assault Alyx Vance has been sent on a mission to recover technology vital to The Resistance's existence from the abandoned Black Mesa Lunar Facility. Teleported to the base, from Black...4.2k downloadsupdated 5 y ago
- Half 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...3.9k downloadsupdated 18 mo ago
- [S2FM] Juinez's Half-Life 2 Weapons Propsby Mangal_This is my first workshop item for Half-Life Alyx. Please enjoy. If you have some issues, you can write me on comment section. Almost all weapons have: - skins - bodygroups Where you can find this workshop item: Steam\steamapps\workshop\content\546560\3157845864 Credits: Juniez (models, materials...3.6k downloadsupdated 3 y ago
- Pistol Replacement: Fallout 4 10mm Pistolby Mettle MeekThe 10mm Pistol from Fallout 4, with attachments. Left-handed support included.3.4k downloadsupdated 4 y ago
- A Walk in the Darkby ImperialR3DA Walk in the Dark A journey through a city with its power cut. Brave the darkness to discover the source of the outage, and restore light to this corner of the quarantine zone. What Why Where? I made this map for an assignment for my game design and development degree. The requirements were to c...3.4k downloadsupdated 21 mo ago
- Biohackingby 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...3.1k downloadsupdated 17 mo ago
- RPD Main Hall | Resident Evil 2 (2019)by 76561198374003324This is a port of the RPD Front Hall from Resident Evil 2 (2019). I've been working on this on-and-off for the past few months, I'm really happy with it and thought I should share it. Please let me know if you like it and if you would like to see more!3.1k downloadsupdated 5 y ago
- Hatsune 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 2 y ago
- Half-Life 2: Remake demo (d1_canals_01_a)by CatBaitThis is my next recreation of the Half-Life: 2 map on Source 2 in VR. I spent a lot of time and effort on this, enjoy! Instructions Subscride to the ALL addons Enable it in the game Select a map (d1_canals_01_a) Enjoy =) Notes Weapons replaced with weapons from Half-Life 2 Most of the voicelines...2.8k downloadsupdated 2 y ago
- Resistance Train 2: Choose Your Pathby PizzaScientistGameplay Premise: This is a unique choose your own adventure game where the decisions you make will influence your path to the exciting conclusion. Will you choose the roof tops, the underground or other paths? Continue the story from Resistance Train 1 as Lexy and Brandon continue their quest to...2.5k downloadsupdated 4 y ago
- Invasion - #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
- Tau Ceti 17by 76561199111603847This is the first update to Tau Ceti 17. It's an outer space based non-combat VR experience that takes place in various locations on and around the fictional planet Tau Ceti 17. There are some simple challenges and puzzles, as well as opportunities to interact with objects and the environment. If...1.9k downloadsupdated 10 mo ago
- Combine 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
- Quake - E1M1by Mettle MeekA port of the map E1M1 from Quake, now including most of the secret areas.1.9k downloadsupdated 4 y ago
- Backtrackby 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