MADNESS: Project Nexus
MADNESS: Project Nexus mods
A mod changes the game itself. It needs something to load it, it may need other mods first, and it only works on the versions its author built it for.
937 mods, most downloaded first · newest update 26 Oct 2026
Arena184Origins88Characters77Weapons61Origin53replacement51Enemies50silly44armor43Gameplay38Overhaul38playground33QoL31Music18character17Scripts13Melee12joke12Skins11Story9Sound9Balance8Weapon8OP6Animations5wizard5
- Extra Team Fortress 2 Originsby Half of ScotlandA mod that allows you to play as the rest of the characters from the TF2 Mercenaries mod! Since this mod doesn't implement much else (apart from some new spellbook weapons) I'll take this time to list the intended playstyles/thought process behind each origin. - Civilian: Completely and utterly p...584 downloadsupdated 11 mo ago
- Trepang2 HORIZON Corp.by Isoknightif i ever get to reworking this, it'll be a completely new mod These are just playground enemies, no arena included, but feel free to make one yourself. Custom voicelines and HVTs were planned to have come in the future.581 downloadsupdated 2 y ago
- Team Eggman - Accessoriesby donutmarioThis mod adds an Cosmetics options such as Fullwear,outfit, shoes and gloves from the Sonic series. Mostly they're in accessories and outfit slot. Try to look at Character's Flag. Named Characters are available: - Eggman - Infinite Extras: - Mephiles Credits: - Sonic Team & Sega (Creators of the...581 downloadsupdated 24 d ago
- Madyln's Tactical Names - NEVADA 51by Synthesizer FelineRenames all of the SFOD N51 weapons to their real-steel counterparts.580 downloadsupdated 7 mo ago
- Experiment 2 Prostetic Arm Doctor (ORIGIN)by 76561199709962492My attempt at making the badass halfmag doctor guy, from EXPERIMENT 2. Enjoy. UPDATE- Gave him more health, fast track on m,adness was close to impossible, chnaged his clothes to better match the ones in animation. Also changed the sound of his fists, i noticed that he actually doesnt have a full...579 downloadsupdated 3 mo ago
- Mummyby infernalthingThe Mummy returns! Weak to fire, resistant to electricity, slow, hits hard and is very durable. Beware its grabs, those lead to executions. Also has custom corpus icon, a mirror skin and blackmarket gear if you are inclined to mummify yourself or your hirelings.575 downloadsupdated 2 y ago
- Hotline Miami OST (Playground)by 76561198882571418Adds the Hotline Miami OST into the Playground. Ripped right from the game's files for maximum quality. ARENA + PLAYGROUND VERSION: TRACKS ADDED: 1 - Silver Lights 2 - Static 3 - To The Top 4 - Turf 5 - A New Morning 6 - Crystals 7 - Daisuke 8 - Deep Cover 9 - Electric Dreams 10 - Flatline 11 - H...572 downloadsupdated 2 y ago
- PAYDAY 2 Train Heistby 76561199296780630A mod about PAYDAY 2, yay! This mod modifies the AAHW train arena level, adding enemies from PAYDAY 2, such as the various SWAT teams (FBI, GenSec, and ZEALs included), and the infamous special enemies like Tasers, Cloakers, Bulldozers, and their variants. If this is liked, I might create another...571 downloadsupdated 20 mo ago
- 0 Imprint Originsby 76561199165519161Dirty Cheater... Makes EVERY (Vanilla) Origin only need.. well.. ZERO Imprints.. (I.. should've probably realized '1' Imprint is still needing to beat a save once BUUTT whats done is done) (Also also the blacked out origins are modded origins)570 downloadsupdated 2 y ago
- ChromerOriginby 76561199368478746He didn't belong here—a crack in the code had ripped him from his original world, casting him into this virtual wasteland of logic and rules. Memories drifted like fragments, but one faded coordinate remained etched in his consciousness: he had to find ██. But survival was the immediate equation....568 downloadsupdated 8 mo ago
- Fantom's New Game Plus [MD 2026]This mod is designed for people like me, who played way too much MPN and doesn't find Madness dificulty or any existing level challenging enough. This mod makes all enemies stronger and better dressed to spice up the gameplay without cranking difficulty all the way up and compromising vanilla out...566 downloadsupdated 2 mo ago
- Casual Journeys Skinsby 76561199163709268Casual Journeys! Your adventure into nevada begins! skin pack.563 downloadsupdated 14 mo ago
- Experiment (Acrobatics->Unarmed)by oinko sploinkoSimple tweak to the Terrible Experiment Origin. Replaces Acrobatics specialty with Unarmed while enabled. Inspired by a question asked by Crazed Wallace.561 downloadsupdated 2 y ago
- Big Guy Originsby JoaquinCRThis mod is about the big guys, not G03LMs, but rather the larger dudes who are 1.2 in scale. Some of them have you stagger on low health. Adds - Prototype Nexus Support : Focuses on melee and the weak skill is unarmed. Does extra blunt damage, more firearm magazines, and less damage from physica...559 downloadsupdated 7 mo ago
- Cyber Bandit Originby JoaquinCR"In the vast Nevada you were once a normal Bandit who scavenged for junk and other crap that was useless. Until you were plucked out it and tested on by Dr.Gonne for Project Kobold. You went from being a moron to a genius with in a short amount of time, while also seeing what the Machine can do a...559 downloadsupdated 2 mo ago
- Flash Guns: (Almost all of) The Guns of The Last Stand: Union Cityby 76561199193362654Before downloading! Not all the guns are added! The ones missing are: - Hunter Compact - M24 - XM8 - Bows This is simply due to lacking proper models for them. If models exist in the future, I will update the mod. Luck builds won't help you here All weapons come bundled with all of their variants...557 downloadsupdated 6 mo ago
- Team Fortress 2: Voiceline and Chatter Replacementsby ErebusSTANDALONE VERSION OF THE MOD (just the voices without assigning them to any NPCs) HERE: This mod replaces the default voicelines and text chatter for a few NPC enemies with voicelines from the TF2 Mercenaries, Saxton Hale, Merasmus, and some Halloween enemies. This mod might conflict with other...554 downloadsupdated 4 mo ago
- Jebus origin modby 76561199055588959allows you to play as the Savior himself Dr. Jebediah Christoff in arena mode554 downloadsupdated 22 mo ago
- Disposal DisarrayDive Into The Depths of This Dumpster Fire And Try not to Become Zed Chow! ==A Replacement for Murder Room== Prepare for a Recontextualization of Murder Room Going From a Mysterious Torture Chamber to what is Effectively a Huge Garbage Disposal for all of Nexus's Failed Projects. == Notes & Featu...551 downloadsupdated 1 mo ago
- Red dead redemtion John Marston [Jonh ZEDston update]by 76561198886973316Requested by a friend, I made an origin about John Marston from RDR. This mod adds: -Jonh marston Origin and palyground character -Jonh marston hat and outfit -Jonh ZEDston playground character547 downloadsupdated 19 mo ago
- Weaker Slaughter Time Gudgeon Projectilesby ump45This mod makes the Gudgeon guns do less damage, to make it less annoying. Changes: - The heat-seeking green projectile now heat-seeks slightly less, and it does less damage. - All gudgeon projectiles have less armor-piercing capability. - Regular gudgeon (orange) projectiles now do less damage. -...546 downloadsupdated 2 y ago
- Team Chaotix - Accessoriesby donutmarioThis mod adds an Cosmetics options such as Fullwear,outfit, shoes and gloves from the Sonic series. Mostly they're in accessories and outfit slot. Try to look at Character's Flag. Named Characters are available: -Vector -Espio -Charmy Credits: - Sonic Team & Sega (Creators of the Sonic The Hedgeh...546 downloadsupdated 2 y ago
- Touhou Replaces Slaughter Timeby Explo☄I heard you say Slaughter Time is too easy. In that case, take this copy of Touhou 6. Have Fun. (All this does is dramatically increase the amount of enemies on Slaughter Time.) (It's still beatable, Pinky swear.)543 downloadsupdated 2 y ago
- Vanilla FireSounds Fixedby 76561199368478746When MPN beta update to 2.13a. The gun fire sounds were a little broken. And this mod fixed the all gun fire sounds The Original Author of this mod is TwoZeroNine541 downloadsupdated 2 y ago
- Steampunk Factory: EMWC Packby 76561199368478746The survivors who in the Residential Area have risen! Thry made a worker corp themselves. And ready to take the Nevada Foundry! The Original Author of this mod is TwoZeroNine. use Lurk and Darksignal's mod called Lurker Armor Bundle. Thanks them VERY MUCH!!! I CANT make this without them. !!!!!!!...541 downloadsupdated 4 mo ago
- Sonic the Hedgehog Playgroundby donutmarioSonic & Friends are available in the Playground zone. This features model ,voicelines and text chatter. Named Characters (Voice actor) are available: - Sonic (Roger Craig Smith) - Tails (Colleen O'Shaughnessey) - Knuckles (Dan Green) -> (Dave B Mitchell) - Rouge (Kathleen Delaney) -> (Karen Stras...541 downloadsupdated 7 mo ago
- Klukai (GFL/GFL2) Originby AkaPrestonJust Klukai from GFL series as a Origin540 downloadsupdated 13 mo ago
- Chinese Flag - Joke Weaponby 76561199198721096The Main Idea of this weapon. Bing chilling! Ohio Bing chilling! :moyai: This weapon has unique colorful name in BOTH Shop and HUD. Unlike other weapons which require FMOD It has a static music playing. Known bugs during tests: ᐤ As soon as there's a Cloth object, it's the most unreliable one. It...538 downloadsupdated 2 y ago
- Nevadean Nightmare [V7]by Synthesizer Feline!! CHECK THE ETERNAL MILITARY UNION'S MODPAGE FOR ALL DEPENDENCIES !! Revisit a Nevadean Supermall in a timestream anomaly. From amidst the dust, new threat emerges. Follow the protocol. We end as we began. This is a post-game arena stage that replaces Hard Sell. Fight like hell and take none bac...538 downloadsupdated 7 mo ago
- Story Enemy Originsby 76561199077814151This mod adds several enemies from the story mode into playable origins inside of arena mode. Current origins: Swamp Zed, Phobos, Crackpot, Church, Gil, Sherriff538 downloadsupdated 9 mo ago
- TEASER: Project Kludgewerkby 76561198995737899Hello there! What you see here is my entry for a collab project called "Project kludgewerk", where Various MPN modders and map makers come together and make a series of rooms to string together into a campaign! While the finalized version is in the works, I figured I'd use my room as a teaser to...536 downloadsupdated 5 mo ago
- Gunsaw/Casulties Unknown Modby 76561199238155193Ok, so recently I've been getting into Gunsaw/Casualties Unknown and decided to make the characters in MPN since people who saw my work really wanted it already, i decided to release my mod early, again (like my previous kp mod) This mod inlcude: Experiment (Expie), Roza, Voyager and MIlky Charac...530 downloadsupdated 6 mo ago
- Fluffyboi104s King Origins Mod Tweaksby 76561199163709268Some various Buffs and nerfs and changes to the origins while still staying true to project nexus. Important! : you must manually overwrite the files from kings origins with the ones from these except the "info.txt" and the "Icon.png"file just copy and paste everything but the "info" and "icon" f...529 downloadsupdated 14 mo ago
- Compatible Squad Radioby JoaquinCRMakes the Squad Radio compatible with shoulder accessories (since no other mod has done this yet irc). Have fun! Auogh529 downloadsupdated 2 y ago
- Doc Will Helpby WINDYCASTERDoc will help. This mod adds Doc as ally character in Outskirts and early Commercial, where Hank would otherwise be alone. This was made as an alternate version to Victor Will Help, eliminating the changes to the other team's early co-op list. Victor Will Help is available at526 downloadsupdated 2 y ago
- Headless Horsemanby infernalthingThe Headless Horseman has returned once again! The old design with the Offering head is still there, the characters with the newer look have purple names to tell them apart in the spawn menu. The character comes in 3 main versions: one with a pumpkin head, one completely headless and one that is...524 downloadsupdated 20 mo ago
- Madness Combat 12 OST in Main Menuby 76561199078124117This mod allows you to replace the music from the main menu with music from Madness Combat 12 Installation Instructions: 1) Subscribe to this mod 2) Go to steam\steamapps\workshop\content\488860\3428043862 and copy ProjectNexus2Music.bank 3) Go to steam\steamapps\common\Madness Project Nexus 2\Ma...524 downloadsupdated 20 mo ago
- Subject 1v02P_6 Inspired Arena Originby 76561199030875280Custom origin for Arena based off of a pretty much maxed out M:PN Classic Arena Character. Yeah you aren't really going to have this guy right off the bat I REALLY HOPE this isn't the version I used to test if it worked520 downloadsupdated 12 mo ago
- Dissenter-liquidation squadby 76561198830979217Damn all dissenters of the Nexus City with this squad of absolutely stupid and deranged agents of the A.A.H.W.!520 downloadsupdated 22 mo ago
- Arena Mode: Full Speed Swarmby Synthesizer FelineMakes all enemies spawn at once. In every arena stage, excluding contract missions. Overwrites custom level's spawnrates.519 downloadsupdated 23 mo ago
- Lore-Accurate Patientby 76561199094008240Low quality mod. More like a test, but anyways. Here's a Lore-Accurate Asylum Patient. For those who want SPOILERS, Most if not all Asylum Patients are NEXUS Scientists that went mad due to Dissonant Reality Exposure.518 downloadsupdated 2 y ago
- Not Enough Boe Originsby 76561199163709268Adds various Boe inspired origins and changes the original slightly518 downloadsupdated 15 mo ago
- Tower of MADNESS MIXER: Zed pack.by 76561198995737899ZOMBIE MODE GO!!! This mod pack for the Tower of MADNESS turns nearly every enemy into zeds, GO3LM Zeds, abominiations, and other kinds of monsters. To play the mod, here's what you'll need to do: - In the main menu, click on the cog icon in the bottom-left corner - enable the Zed pack, then hit...506 downloadsupdated 12 mo ago
- Cheaple Mirror Skinby YouhoooopA mirror skin that adds the Cheaple from Half Life 2 directly to your Loft Mirror!503 downloadsupdated 2 y ago
- Rapi (NIKKE) Originby AkaPrestonRapi from Counters Squad in Goddess of Victory: NIKKE Rapi was a commander's right hand along with Counters Squad: Anis, and Neon. But she was alone in Nevada, no buildings, just nothing. Resist from Fire: -50.5 Resist from Stun: -45 Resist from Dizzy: +97 Special Skills: Operative500 downloadsupdated 23 mo ago
- Team Diamond Cutters - Accessoriesby donutmarioThis mod adds an Cosmetics options such as Fullwear,outfit, shoes and gloves from the Sonic series. Mostly they're in accessories and outfit slot. Try to look at Character's Flag. Named Characters are available: - Tangle - Whisper - Surge Weapon -Variable Wispon Credits: - Sonic Team & Sega (Crea...499 downloadsupdated 17 mo ago
- DvN soundtrackby 76561199550132929imported 28 OSTs from a roblox game called Dummies vs Noobs to be used in arena. (+5 semi related battlejuice pieces) did my best to make sure the audio is as comparable to vanilla as possible (give or take a decibel ¯\_(ツ)_/¯ ) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~...498 downloadsupdated 23 mo ago
- Bunny Hirelingsby Explo☄Add-on for Bunnykill Base Turns all your hirelings into equal bunnies.496 downloadsupdated 2 y ago
937 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.

