Mods / Singleplayer

• OOn A Rail 2.0by 76561199047495722What is On A Rail 2.0? On a Rail 2.0 is a complete chapter rework in Black Mesa aiming to combine the best of OAR Uncut, Loop Mod, BMS Classic and BM 1.5 OAR, creating a full cohesive experience of On A Rail adherent to the original Half-Life 1’s, while building upon Black Mesa’s improvements wit...4.7k downloadsupdated 6 mo ago
• PPROJECT: B.M.R.F with ORIGINAL armsby 76561198346742408NOTICE: While the tutorial video is from the original addon, the actual folder is numbered 3642458807 After five years in development, AlbanyKnight finally presents an AgataKLMK production: Project B.M.R.F. aims at replacing the vanilla weapons with much better detailed models and a mix of realis...4.6k downloadsupdated 8 mo ago
• FFrag Grenade Reanimationby Citizen⁵Reanimation of the vanilla frag grenade to utilize a new set of HEV arms. Features: -Pin pull animations blend better into the throwing animations -Stronger-looking throw animations -Two-armed sprinting -Upper arms (for high FOV players) -Jiggleboned pin ring Commissioned by Vassago Rain Full HEV...4.6k downloadsupdated 4 y ago
• HHalf-Life Original Logoby sylandroReplaces the Black Mesa logo and uses the original Half-Life logo instead. I am aware another similar mod exists, but this one has a higher quality logo and also changes the text when you start a new game. NOTE: The installation method is similar to other VPK mods, if you are not familiar with it...4.6k downloadsupdated 6 y ago
• HHD Pack Styled Sleeves w/ Fewes' handpaks — Juniez Supportby 76561199268236750About this mod A sick mashup between Chris' HD Pack Styled Sleeves and Fewes' MK IV handpaks from Juniez' Classic Weapons pack, now with Juniez weapons support! NOTE: There is an extras folder with different variations such as classic alt origins or more HL1 like MP5 origins if you'd like that. I...4.6k downloadsupdated 3 y ago
• AAmbient.Impact-Style Scientistsby PaynamiaClassic scientists based on the appearance of Ambient.Impact's PS2-based models. I made this back in the days of the mod, but never got around to releasing it. Includes regular, dirty, gib and zombie skins. Tie texture by Ambient.Impact.4.6k downloadsupdated 9 y ago
• TTouhou Plush – Fumo Cirno as snarkby 765611992190293623D scan by Renafox Replaces snark with Cirno from touhou project Only changes snarks models and sounds ᗜˬᗜ4.6k downloadsupdated 2 y ago
• CClassic HL1 Style Weapon Reanimations packby 76561198352553641A reanimation of Juniez's Classic weapons pack , featuring almost all of the weapons reanimated to be as faithful as possible to original HL1 weapon movements, with a bit of modern twist i guess. several beta-like reload animations are also implemented for the glock and mp5 as an alternative relo...4.4k downloadsupdated 4 mo ago
• FFastShotgunby WillowTreeInspired by this addon Shotgun is awesome weapon. But I felt that it's fire/reload speed is slow as hell. So I tried to speed them up. I made these fast: - Fire Speed - Reload Speed No other aspects are modified. But since I modified values for multiplayer, I think you can't join multiplayer serv...4.4k downloadsupdated 5 y ago
• BBlack Mesa: A Spy On A Way Home [REMASTERED]by LordDz----2018-06-25---- Reuploaded the maps, now with all correct files. ----2018-06-24---- Update: All maps have been recompiled to be playable on the new patch. The maps have also been modified to fix bugs, improve lighting, etc. The second map has also been increased in size, as I added another sec...4.3k downloadsupdated 8 y ago
• HHL1 scientists gun soundsby TheGreatTenkoReplaced all sounds in every weapons, Apache, Ospery and Sentries. If you don't hear weapon sounds. type in the console "snd_restart" (Might require doing it each time you launch the game) If you want to support my work on Steam Workshop, You can donate me at4.1k downloadsupdated 7 y ago
• BBlack-Mesa Military Improvedby 76561199011264809A small collection of stuff made for Military to make the experience fresh. Credits Crowbar Collective:Assets Hecu Collective:Assets CitizenFive:Weapons Iiopn:Rpg MTB:Tripmine DWboygamer:Gloves Texture Kajlo:ModelMeshHelp Mike:Sound Design/Glock Texture Black Box:HUD Prospekt:PCV vox enjoy!4.0k downloadsupdated 10 mo ago
• SSound Design Overhaul - Borderworldby 76561199073488155A direct continuation of the first overhaul mod, this time taking on the ever-expansive Borderworld and its various environments, using new SFX effects to bring up the level of sound quality on-par with mods like Blue Shift & SDO - Earthbound Development This mod started development right after t...4.0k downloadsupdated 7 mo ago
• RRealistic Barrelsby sasuke500🌟🌟🌟 READ THE DESCRIPTION CAREFULLY BEFORE YOU WRITE A COMMENT❗️❗️❗️ 🌟🌟🌟 It changes the default and explosive barrels into a new and realistic barrels. I tested it a long time ago and until now are still working and " no issue at all" so I decided to upload it to Black Mesa Steam Workshop for ever...3.9k downloadsupdated 7 y ago
• GGlock/357/MP5/Shotgun Killing Floor 2 Animations - Revampedby Citizen⁵You need to subscribe to the required item or you won't hear a bunch of sounds! If it doesn't automatically work after subscribing, move the addon VPK from its Workshop folder to your Custom folder. It can be found in: Steam\steamapps\workshop\content\362890\2845709165 The Glock, 357 Magnum, MP5,...3.9k downloadsupdated 3 y ago
• NNon-Windows HEV Bootby sylandroI disliked the fact that the HEV boot sequence suggests that its OS is based on Windows. This mod changes this to a Unix-like boot sequence, based on real logs. NOTE: The installation method is similar to other VPK mods, if you are not familiar with it please read a guide for it.3.9k downloadsupdated 6 y ago
• NNew Health and Suit Iconby sasuke500🌟🌟🌟 READ THE DESCRIPTION CAREFULLY BEFORE YOU WRITE A COMMENT❗️❗️❗️ 🌟🌟🌟 ❓Reasons: 1. Easier to find on steam workshop 2. For everyone and for the next generations to come 3. I re-uploaded it because it worked on Black Mesa and has no issue at all. " I DO NOT OWN IT! " 💡Features: + Changes the Hea...3.9k downloadsupdated 7 y ago
• HHL1-Style Humansby Citizen⁵Gives all human NPCs preset appearances inspired by the original Half-Life cast. A tongue-in-cheek throwback to Half-Life's limited NPC variety. Direct download if the workshop version doesn't work Follow this guide to get it working. Standalone Einstein face texture can be found here. Optional m...3.9k downloadsupdated 6 y ago
• MMODERN WARFARE III COR-45 FOR GLOCK-17by easy"Semi-auto ballistic pistol chambered in .45 Auto. Delivers excellent handling and recoil control." -Ingame description Another addon involving MWIII! This time, its the COR-45 on Black Mesa animations. Despite the original gun being chambered in .45 ACP, The Black Mesa Security Force somehow man...3.8k downloadsupdated 3 y ago
• HHalf-Life Items Soundsby 76561198396472577About this addon This addon replaces medkit pickup, battery pickup, weapon pickup, ammo pickup, healing and HEV charging sounds with original ones from Half-Life. Compatibility State This addon works perfectly without any additional tweaks. No manual installation is required. Installation To inst...3.8k downloadsupdated 3 y ago
• ZZombie animations mix (Outdated)by Monolith FanaticThis addon gives different zombie types their own unique idle, walking and running animations. Scientist zombies - No More Room in Hell idle, stun and walking animations. In fact they are the slowest zombies and easier to deal with most of the time. But to make it fair and give them atleast a sma...3.8k downloadsupdated 3 y ago
• PPROJECT: B.M.R.F with HD Pack Sleevesby 76561199837703889NOTICE: While the tutorial video is from the original addon, the actual folder number is 3685813399 After five years in development, AlbanyKnight finally presents an AgataKLMK production: Project B.M.R.F. aims at replacing the vanilla weapons with much better detailed models and a mix of realisti...3.8k downloadsupdated 8 mo ago
• HHalf-Life VOXby 76561198396472577"Hello. The Automatic Diagnostic and Announcement System welcomes you to the Black Mesa Research Facility. Remember, have a secure day!" About this addon This addon brings back original Annoucement System from Half-Life to Black Mesa. Every VOX annoucement is replaced with Half-Life VOX including...3.8k downloadsupdated 6 y ago
• Bbm_exterminatorby Rednev444SECRET AGENT: Norman Shoeman Data Labs are still producing their super weapon, on a remote island. You must put a stop to their plans once and for all! This map pack includes 3 maps. To run the first map, type “map bm_e_intro” into the console. Good luck, and have fun!3.7k downloadsupdated 11 y ago
• Bbm_HECURAIDby BinnsyAn office building was largely unaffected by the Resonance Cascade. As a result, it's being used as a safe zone by dozens of Black Mesa Personnel As an HECU SOLDIER, you've been tasked with clearing out the building of witnesses/hostiles. You and your FELLOW HECU SOLDIERS are no entering the OFFI...3.7k downloadsupdated 5 y ago
• Bbm headcrab survivalby Dan 117About Black-Mesa headcrab crowbar survival! I made this small map for survival only! Lets see how long you can last with only crowbar and never ending spawn of headcrab! things to know! -you only have a crowbar to survive, and limited suit battery and healthkit are placed around the map ( they ar...3.7k downloadsupdated 6 y ago
• CClassic HEV Suit Themeby funyKlaxon Beat from Half-Life. Start bhopping. You know you wanna. Type "snd_restart" without the quotes in the console every time you start the game. If the mod still doesnt work, place it in your custom folder. (Custom folder setup guide) The mod .vpk will be located in: C:\Program Files (x86)\Ste...3.7k downloadsupdated 6 y ago
• HHalf-life 2 Anticitizen one levelsby humanfPlay Anticitizen one levels edited by kevin_araujooo- includes the mods needed and fixes the citadel and barrels. DO NOT INSTALL THESE MAPS TOGETHER. 23/07/25- This is old and has a lot of problems since its release and looking back after 5 years of mapping, it's not good, back in 2022 i had star...3.6k downloadsupdated 6 y ago
• BBMCE:R Addon - Romka's Hazardous Environment Combat Unit Renewedby 76561199473471323ATTENTION! THIS'S MADE AND COMPATIBLE ONLY WITH BMCE:R! Requires BMCE: Revised (I made this addon to make Romka HECU models compatible with it) and BMCE (preferably with Vanilla or Classic HECU, though recommended to use latter for respect original creators)! This is improved version of currently...3.6k downloadsupdated 10 mo ago
• [[V2] Heavy Shotgun Sounds Revampedby gross personA revamped version of my previous mod 'Heavy Shotgun Sounds' with improved sounds. If the sounds don't work, type snd_restart into the console. If they STILL don't work go to C:\Program Files (x86)\Steam\SteamApps\workshop\content\362890\1346718387 on your drive and move heavyshotgunsoundsV2.vpk...3.6k downloadsupdated 9 y ago
• BBMS Classic - Lambda Core (v1.08)by White and Birdy™READ THE DESCRIPTION BEFORE ASKING QUESTIONS! BMS Classic - Full Download: BMS Classic - Chapter Collection: <to be added> What is BMS Classic? BMS Classic started out as a simple mod aiming to undo some of the changes brought to Black Mesa in 1.0 and 1.5, such as unnecessary railroading, insulti...3.6k downloadsupdated 5 y ago
• Bbm_dungeon_crawlerby Rednev444A singleplayer dungeon crawler like map where you have to make your way through 3 chambers of different enemies. To run the map type "map bm_dungeon_crawler" into the console. Please leave constructive feedback. Have fun!3.6k downloadsupdated 11 y ago
• CCitizen's Crowbar Reanimation (Slower Attack Speed)by Citizen⁵Custom two-handed animations for the crowbar, with a weapon script that slows the crowbar's attack speed. For a version without the script and regular attack speed see this add-on instead. Subscribe to the required add-on for full functionality!3.6k downloadsupdated 2 y ago
• IImproved Bonus Maps Dialogby MBitIncreases the Height of the Bonus Maps Dialog to show more maps at once. NOTE: This mod can't activate the Bonus Map Dialog. You'll have to do this manually, instructions below! INSTALLATION: Close the game, if running. Subscribe to this workshop item and let it finish downloading. → If you had a...3.6k downloadsupdated 7 y ago
• Bbm_questby Rednev444Sequel to bm_dungeon_crawler Your Town's Generator has broken and you must repair it and steal a Power Module from the Army Base. Explore two dungeons with different enemies and weapons. To run type "map bm_quest" into the console Please leave constructive feedback and have fun.3.5k downloadsupdated 11 y ago
• GGrenade Reskinby sasuke500🌟🌟🌟 READ THE DESCRIPTION CAREFULLY BEFORE YOU WRITE A COMMENT❗️❗️❗️ 🌟🌟🌟 ❓Reasons: 1. Easier to find on steam workshop 2. For everyone and for the next generations to come 3. I re-uploaded it because it worked on Black Mesa and has no issue at all. " I DO NOT OWN IT! " 💡Features: + Before and Afte...3.5k downloadsupdated 7 y ago
• HHL:A Headcrab + HL1 Classic Headcrabby overlordxviiiMY "RESTORED ZOMBIES SKULL" MOD ALREADY INCLUDES THIS ** HD HEADCRAB RETEXTURE IN HL:A HEADCRAB MODEL ** ** ONLY CHANGES HEADCRAB MODEL AND MATERIAL ** A balance for our extraterrestrial head eater monstruosity... this is the result of merging HL:A new headcrab model with the classic HL1 Headcrab...3.5k downloadsupdated 5 y ago
• AAlternate Menu Musicby Citizen⁵Swaps out the default menu music with three unused tracks from the OST: ►Black Mesa Theme ►Blast Pit 2 ►Apprehension 1 One of the three will randomly play upon starting up the game.3.5k downloadsupdated 6 y ago
• Bbm_saboteurby Rednev444After stealing Sample 302 from Data Labs, Norman Shoeman discovers that they were using the sample to create a super weapon. To prevent the production of such a weapon, Special Agent Shoeman must infiltrate Data Labs’ weapons development facility and sabotage the weapons production, by planting a...3.5k downloadsupdated 11 y ago
• GGearbox Inspired HECUby TrainbikeMarine reskins inspired by Gearbox's HL1 Opposing Force and HD pack Hgrunt models. Gives the grunts a more traditional ERDL style urban camo, woodland camo helmets (Including medic variant), black gasmasks with green filters and black vests with green webbing and equipment. Also includes matching...3.5k downloadsupdated 8 y ago
• SSMG(MP5) 900RPM + 2/3 Recoil + Mag size 40by WillowTreeThere are many addons that modifies weapons like SMG(MP5). But unfortunately, if you subscribe more than two addons that modifies same weapon, only one of those addons will be applied and other addons won't do anything, making them useless. That's why I made this addon. I merged those modificatio...3.5k downloadsupdated 5 y ago
• EEVERYONE IS G-MAN!by 76561198380723407In April i relesed EVERYONE IS G-MAN! my First realy Big Mod some people wanted that i make the same thing with Black Mesa and now 4 Month later after 1 Month of Work i Finaly Finished it! What the Mod does its Replacing every npc with G-man! Some things a Recolerd in Blue! All Weapons have the a...3.5k downloadsupdated 6 y ago
• BBlack Mesa: Blue Shift Shotgun Animations (Folded Stock)by Citizen⁵BM: Blue Shift's shotgun animations, except Gordon prefers to keep the stock in the folded position. Regular BM:BS shotgun (unfolded stock) Requested by AmbrosiosRS243.4k downloadsupdated 5 y ago
• MM41A Pulse Rifle(MP5)by XenecriteM41A Pulse Rifle replace BMS MP5 Models and Textures:DOKU,FURY_161 Compiling,Hack:Xenecrite Magazine Cilp:FURY_161 Animations:IIopn Sound Original Film(Alien II):Brandywine Productions3.4k downloadsupdated 6 y ago
• RRealistic M1 Abrams MBT Sounds (from BF)by Blackburn.-A realistic approach of M1 Abrams sounds for Black Mesa. This was made entirely from Battlefield BC2, 3, and 4 (all of em uses the same engine sounds, just a different 'treads' sound). Also features the 120mm cannon firing sounds, made by combining and mixing around 6-7 different sound files inst...3.4k downloadsupdated 18 mo ago
• UU.S. Military Early 2000s era REVAMPED: [Blue Shift Edition] - (Desert/M81 Woodland/Urban Camouflage)by Blackburn.-Standard Version *THIS ARE FOR BM: BLUE SHIFT ONLY* "The 1990s to early 2000s saw major global shifts: the end of Cold War and Soviet collapse, the Yugoslav War, Saddam Hussein’s rise, and U.S. military actions from the Gulf War to the Iraq invasion under Clinton and Bush presidency. This era als...3.4k downloadsupdated 23 mo ago
• BBlack Mesa - Official Game Mapsrcby DIGITAL SPORTSThe official VMF files for Black Mesa's singleplayer and multiplayer components. No more decompiling! Up to date as of the latest 1.5 hotfixed version. We ship this as a mod so that it does not use up unnecessary space for the main game! Instructions: 1) Subscribe to this mod! 2) Find the local d...3.4k downloadsupdated 6 y ago
• EEmergency Exitby TJOn your ride to sector C with a brand new HEV suit, a disaster of some sort has hit the facility. Find the emergency exit and climb your way to the top so you can escape this catastrophe! If the map doesn't appear in the Steam Workshop tab you can also type "map bm_emergencyexit" into the console3.4k downloadsupdated 3 y ago

582 singleplayer 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.