Mods / Custom

• TThe Final Expeditionby Jack PhoenixAs the last remaining member of the Survey Team, fight through the invasion of alien life forms and reach the Sigma Labs in order to take on one last expedition... The Final Expedition is a mini-campaign spread across 5 custom singleplayer maps. Fight through the steel corridors, desert canyons a...9.7k downloadsupdated 3 y ago
• DDuddy's Glock Soundsby Duddyboy"Hey, can I have your gun? I thought it would be cool to shoot people with two pistols like I'm in a John Woo movie or something." -Dr. Gordon Freeman, Freeman's Mind - Episode 9 Description This addon contains the Glock sounds found in my weapon sound pack that I released in December of 2021. Th...2.4k downloadsupdated 4 y ago
• DDuddy's Shotgun Soundsby Duddyboy"I'm a scientist with a shotgun. I'm unstoppable." -Dr. Gordon Freeman, Freeman's Mind - Episode 64 Description This addon contains the shotgun sounds found in my weapon soundpack that I released back in December 2021. This mod only changes the shotgun's pickup, firing, reload and pump sounds wit...2.0k downloadsupdated 4 y ago
• DDuddy's .357 Soundsby Duddyboy"I think the revolver must be a Magnum. That thing felt like I was God! THOU SHALT NOT EAT MY FACE! I AM THE LORD, THY GOD! BEHOLD ME! PULL THESE SWITCHES!" -Dr. Gordon Freeman, Freeman's Mind - Episode 37 Description This addon contains the .357 Magnum sounds that were used in my weapon sound pa...1.0k downloadsupdated 4 y ago
• DDuddy's Custom Tau Cannon Soundsby Duddyboy"The Navy and Marine Corps needed a weapon system that offered a single target force projection that allows the operator to eliminate a threat at an extreme range. The XVL-1456 meets those particular requirements and then some! Thanks alot Black Mesa!" -H.E.C.U Marine Description This addon chang...868 downloadsupdated 5 y ago
• NNew Music For Main Menuby DuddyboyNo regrets, Mr. Freeman... This mod replaces the two main menu tracks (Catalyst and Event Horizon) with two different pieces of music. The tracks I used to make this mod are: End Credits 2 - I reversed the track, lowered its pitch and added an echo. Office Complex - I also reversed the track, low...831 downloadsupdated 5 y ago
• MMeet the Demoarchby Ryan gosling cyclopIf you have buggy sounds, open the console and type 'snd_restart'. If the mod doesn't work, you need to install it manually. To do this, go to the folder "C:\Program Files (x86)\Steam\steamapps\workshop\content\362890\3294857868", open it, and then take the VPK file named "demarch". Next, move th...616 downloadsupdated 2 y ago
• AAlternative Music for Main Menuby Duddyboy"You’ve proved yourself a decisive man, so I don’t expect you’ll have any trouble deciding what to do. If you’re interested, just step into the portal and I will take that as a yes." Otherwise... well... I can offer you a battle you have no chance of winning. Rather an anticlimax, after what you’...434 downloadsupdated 4 y ago
• DDuddy's Crowbar Soundsby Duddyboy"Hey is that a crowbar? Oh my God, this is friggin' perfect! Now I can beat the snot out of people! Oh boy, I can't wait to get back to the lobby! They'll be like: 'Freeman! We thought you were dead!' And I'll be like: 'You thought WRONG!' POW!! Okay, time to bring on the pain!" -Dr. Gordon Freem...432 downloadsupdated 3 y ago
• HHk-47 Robot Star Wars (Gman)by XenecriteHk-47 Robot Star Wars replace G-MAN Models and Textures:BioWare,LucasArts,Supe7nova Compiling:Xenecrite Robot Voice:Darth Vigorous Voice Remix:Xenecrite Ps : For the sound go to the console and type "snd_424 downloadsupdated 6 y ago
• DDuddy's Crossbow Soundsby Duddyboy"What the hell? This is Xylazine! I can't get high off of this!" -Dr. Gordon Freeman, Freeman's Mind - Episode 32 Description This addon contains the crossbow sounds that I created and used in my weapon sound pack that was released back in December of 2021. This mod changes the crossbow's pickup,...416 downloadsupdated 3 y ago
• CCustom Music For Main Menuby Duddyboy"Forget about Freeman! We are cutting our losses and pulling out! Anyone left down there now is on his own! Repeat: If you weren't already, you are now--" This mod replaces the two main menu tracks (Catalyst and Event Horizon) with two different pieces of music. The tracks I used to make this mod...218 downloadsupdated 4 y ago
• MMusic Replacement for Main Menu 2 - Electric Boogalooby DuddyboyIt's ready! You must go, now! This mod replaces the two main menu tracks (Catalyst and Event Horizon) with two different pieces of music. The tracks I used to make this mod are: Harbinger - I reversed the track, I reversed the track, lowered its pitch and added a reverb effect. Dark Skies (On A R...153 downloadsupdated 5 y ago
• Nno doom door sound during tau cannon first equipby 76561198342004561(yes, i get that it's supposed to be an "easteregg", but it's just way too in your face) i've always felt that the sound of the tau cannon when you first equip it didn't match the rest of the weapon and its sounds. it should sound like some electric piece of junk rather than the fricking doom 199...137 downloadsupdated 2 y ago
• GGandalf the White (LOTR) for Scientist 01 (BMS)by 76561198372138809"Fly you Fools!" Gandalf the White who was Formally a Grey Wizard is also a Scientist in Black Mesa Source. Reused from SFM and GMOD from It. Lord of the Rings (C) New Line Cinema, Wingnut Films, J.R.R. Tolkien & More.136 downloadsupdated 10 mo ago
• YYet Another Main Menu Music Replacement Addonby DuddyboyI have recommended your services to my... employers, and they have authorized me to offer you a job. They agree with me that you have limitlessss... potential. This mod replaces the two main menu tracks (Catalyst and Event Horizon) with two different pieces of music. The tracks I used to make thi...126 downloadsupdated 5 y ago
• Ddm_marioby ♕ DarkOhio ♕A Team Deathmatch map. Mario theme. Do not attempt playing this Solo Deathmatch otherwise you will spawn in the water and keep dieing. Yes, the icon is not there, sorry about that, the workshop publisher just didn't want to upload it :/. Credits : - Nintendo - Textures - Ohio (Ohix) - Map and Por...102 downloadsupdated 9 y ago
• AAnother Main Menu Music Replacementby DuddyboyI'm not so sure I want to go to the surface. What if the world finds out what we've been doing down here? This mod replaces the two main menu tracks (Catalyst and Event Horizon) with two different pieces of music. The tracks I used to make this mod are: Blast Pit 2 - I reversed the track, lowered...82 downloadsupdated 5 y ago

18 custom 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.