Mods

• EEmployer Bosses Packby infernalthingHere is a pack of all 4 Employers I turned into actual bosses. They are strong but not unfair to fight. They even have different abilities! I've also added a new original Employer named Liquidator! Some things to note that will be useful to know when you fight them: -They take 50% less damage fro...1.1k downloadsupdated 2 y ago
• AA Very Punchy Originby oinko sploinkoAn Origin with a focus on rapid-fire H2H strikes. Be the anime-puncher-person you were always meant to be. (You should probably bind an autoclicker to your LMB, unless you want to develop carpal tunnel, or make it worse than it already is...) Includes Half-Mag's super punch as a charge attack ove...1.0k downloadsupdated 2 y ago
• UULTRAKILL Soundtrackby infernalthingMachine, turn back now! This mod adds the OST of ULTRAKILL. You can listen to it in playground or use it in your custom stages/arenas.1.0k downloadsupdated 2 y ago
• PPost residential protagonists (enemies and origin)by 76561199009976349The protagonists of the animation Post Residential as enemies in the playground and origins in the arena the animation:1.0k downloadsupdated 23 mo ago
• AAzure's infinite money cheat DXby 76561199454457750This sleepwalker stage mod not only gives you infinite money, but it will also unlock everything from q-bert's shop from the start AND has infinite exp for the infinite waves. Enjoy this deluxe version of the infinite money cheat!1.0k downloadsupdated 6 mo ago
• LLightsabers: Lua Extensionby 76561199024900114REQUIRES LUA FOR M:PN V0.7.1b or higher!!! Get it here Allows for the igniting and extinguishing of lightsabers by pressing the 1 key.1.0k downloadsupdated 2 y ago
• RRSH-12 Requiem Revolverby 76561199238155193Decided to make the revolver from re9 into MPN Very powerful revolver, can penetrate G03LM torso armor Got the model from this: Have fun1.0k downloadsupdated 6 mo ago
• HH.E.C.U in M:PN2by 76561199401535092The H.E.C.U In the latest version of mpn2! (atleast when i uploaded this) This addon adds the HECU units (Marine, Shotgun, Squad leader and Grenadier), also Black-ops cuz, felt like it (adds the male and female soldiers). Now, forgive if theres anything wrong or left because i actually know nothi...1.0k downloadsupdated 9 mo ago
• TTHE AGENCY (feelings AAHW) v2by 76561199009976349The agency continues with its plans to conquer all of Nevada while one part of the agency is in charge of taking over Retropolis, the other is on its way to take central Nevada by force, take your weapons and defend Nevada + fast track / + exclusive fast track variants + grunt + black agent + red...1.0k downloadsupdated 2 y ago
• CCogwrecker Originby 76561198359265728An origin mod that allows you to play as an outcasted defective Cogwrecker, smaller than their siblings and built with an unfit mind, now being used to take on the Machine with giant metal fists and/or big guns1.0k downloadsupdated 19 mo ago
• TThe Eternal Military Unionby Synthesizer FelineA tactical, yet retrofuturistic military inspired by the pre-2010s era of science fiction. The Vendetta Corporation must fall. The Fracture Pact will collapse. We will cleanse the Worldblight. For past, present, and future: We end as we began. CUSTOM CHATTER FILES ARE NOT COMPLETE The EMU and PRO...1.0k downloadsupdated 7 mo ago
• LLeft 4 Dead Hirelingsby AkaPrestonThere are 8 characters from Left 4 Dead series as Hero Hirelings. Here is the list of characters: Bill (L4D1) Francis (L4D1) Louis (L4D1) Zoey (L4D1) Coach (L4D2) Ellis (L4D2) Nick (L4D2) Rochelle (L4D2) All of the characters have their own skilltrees, they're good at Ranged and Melee, and their...1.0k downloadsupdated 16 mo ago
• BBOSS RUSHby 76561199296780630Fight fourty bosses, one at a time, each more powerful than the last. Reset the stage (change difficulty) if you dont want to get a bad time... Inspired by Sleepwalker Duels mod. (Sorry but i can't eliminate that training hologram without breaking the game)1.0k downloadsupdated 15 mo ago
• AArena Warfare - "Augments" Grunt Editionby Battlediver142Grunt Edition Default Arena Warfare Version Below Uses Nano-Respirators Augment as Base ( So they end up invisible ) Adds different Augments to boost your playthroughs Goes by Tiers Barebones Version Common and Legendary Tiers for Booster Augments999 downloadsupdated 4 mo ago
• TThe Foundry Enhancedby Trash BassetSpices up "The Foundry" arena stage. --------------------------------------------------------------------------------------------------- The mod is made primarily with vanilla assets to expand the already existing stage. Changes: - Increased unit spawns. - Added a third music track for the stage....997 downloadsupdated 7 mo ago
• DDarkBlackity's Color Packby 76561198871338980Hi welcome to my color pack, this color pack features all of the colors of either factions or other things I have made. This color pack includes: DarkBlackity's Faction Colors Colors Of Madness (Colors of me and my friends) The Noir Council Colors (Eye Of Hatred's Noir Council Members)989 downloadsupdated 2 y ago
• BBlue Archive Hoshino Assetsby 76561199215619861Blue Archive's Character Hoshino's Asset this mod contain some Hoshino's weapon，and maybe will add clothing in the future 😋 if you find bug report it pls，and welcome to give advice thanks for playing this mod ba里小鸟游星野的装备合集，里面包含星野的武器，未来可能还会增加服装😋 如果有bug请报告，欢迎对本模组提出改进性建议 感谢游玩 如对MCM的mod制作有兴趣欢迎加入Q群974...979 downloadsupdated 2 y ago
• NNTMEBAby 76561199163709268No To Magiturge Exclusivity But Arcane Makes NTME (No To Magiturge Exclusivity) wands and spells and wizard armor have the arcane slot (meaning only people with the arcane skill able to use) for your custom spell slinging origins also had to change some of the stats to make them fit968 downloadsupdated 11 mo ago
• YYaoi Paddle + Yuri Paddleby ZepumpkineaterAdds two melee weapons in the game, wooden paddles named "Yaoi" and "Yuri" respectively. Thumbnail art and 3d model work by Zymurge. This mod is a joke. Don't take it too seriously, yeah? Enjoy!967 downloadsupdated 2 y ago
• VVault 'o Melees and Firearmsby 76561199179176531A compilation of goofy weapons, made by yours truly. Featuring: - 5 new melee weapons - 9 new ranged weapons - More to come... Original models by Krinkels. Model editing and porting by me. Additional help by Squishy McFluffy. (For the best experience, use Sullivann's HD weapons pack.)966 downloadsupdated 2 mo ago
• PPyromaniac Originby 76561199134674878Neat new origin of a pyromaniac, with some more guns as well, and bit of armor, you can get creative and satisfied with kills. Also this mod supports SFOD N51 And Nexus expansion pack weapons in some way, don't know if these are required. Specifically this mod adds: -weapons both melee and ranged...964 downloadsupdated 6 mo ago
• IImpractical Imprintsby 76561199489143449A set of 5 origins that realisically would suck. You have: Metal man: More of a wall than the massive, tank everything that gets thrown at you Mini man: agile little bastard, able to execute an enemy at any time but the downside is that you don't get matches on tinder Invisible man: everyone stru...961 downloadsupdated 16 mo ago
• CCapn's Stylized Weapon RemodelsI've decided to remake some of MPN's vanilla gun models, based on sprites from the series or community spritesheets. This mod will be updated from time to time, expect more. Weapon sprites taken from: Krinkels, Smokijas, ShootDaCheese, Me941 downloadsupdated 2 mo ago
• TTeam Sonic - 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: -Sonic -Tails -Knuckles Weapon -Tails Cannon -Rings -Cyblaster -Skateboard Cosmetics...940 downloadsupdated 4 mo ago
• TTREPANG2 Soundtrack (OST) Replacerby 76561199655294903Replaces (almost) every song in arena mode with, what I am to believe, suitable tracks from literally the best game ever made, TREPANG2. (Sorry Madness: Project Nexus, but you're second) This is my first mod I have ever made. Period. Literally. So if there's anything wrong with it, welp. Remixes...938 downloadsupdated 15 mo ago
• MMadyln's Better LMGsby Synthesizer FelineGives LMGs and other similar heavy weapons a greater pool of reserve ammunition.930 downloadsupdated 7 mo ago
• DDarkBlackity's Origin Packby 76561198871338980The Rogue's, an Abandoned Hero, a man who has regained his conciousness, a man who is trying to leave the past and a man who seeks revenge on his god. Disclaimer: These origins are intended to be used with my Arena Combat replacements. PS: Thanks Synthc4t for helping out with the personalities an...922 downloadsupdated 2 y ago
• GGil's Superfanby The Swain 🍕Deimos absolutely cannot stop talking about Gil. So...he won't. Includes a burger visor for your troubles.919 downloadsupdated 2 y ago
• OOTXO OSTby XDefaultThis mod adds the entire OTXO original soundtrack to MADNESS: Project Nexus. Now you can shoot stuff with this straight fire music playing! :D In the mod's install directory you can also find GUIDS.txt - it contains guids and paths to all the audio events for use in your own mods. I got the ok fr...916 downloadsupdated 2 y ago
• ////ARENA NPC REVAMPS///by Man Without a PlanARENA NPC REVAMPS A Mod that aims to give all those Friendly faces you find throughout Arena-mode a much needed Face-Lift! While also trying to be as true to the original character as I can be. Listen of effected NPCs is as follows Bossman Chopper Dave QBert Skinner Chef Pava (along with chefs in...916 downloadsupdated 7 mo ago
• HHD Christoffby 76561199165519161For some reason, 'OG Madness Pack' doesn't give Jebediah his new look, so I did that.914 downloadsupdated 2 y ago
• FFinal Diversion: N.Core Upgrade Modby 76561199368478746And....Now! Through a series of upgrades, the NC now has more and more powerful units, with a total of four detachments of various kinds, which are the Nexus Army, Nexus Cops, E.X.O., and T.E.C.H. Fight with them in the Nexus Facility now!! credit to Lurk and DarkSignal's armor bundles MOD have f...913 downloadsupdated 15 mo ago
• DDebug Modeby XDefaultThe Debug Mode reveals hidden doors, objects and unlocks dev keybinds. This was used by the M:PN devs to debug the game and is included in vanilla, this mod merely enables it. ///// Known Keybinds ///// P - debug log current starting scene and entry name F2 - debug log current difficulty and stag...913 downloadsupdated 6 mo ago
• DDragonSlayerby 76561199177494779A Weapon. Buy it at Q-Bert's Shop in arena.908 downloadsupdated 2 y ago
• SSecond HQ Takeover Packby 76561199368478746The new guys in HQ with the new backup groups! Characters authored by TwoZeroNine Mod Upload by The Laborer(新时代杂鱼劳工) tzn:i cant upload any mod becuz therez some problems Use Lurk and Darksignal's Armor Bundle and AltParts THANKS THEM!!!!899 downloadsupdated 4 mo ago
• MMetal Pipeby 76561198839147246Adds a pipe that plays the falling metal pipe SFX whenever you hit an enemy. Want to replace the original pipe's sound? Download this instead:896 downloadsupdated 2 y ago
• AAAHW Engineer Originby NumbersAfter a long and arduous one week of hard work and training, the AAHW granted you a promotion- and with your promotion came a squad of agents, a fancy gun, and an assignment to defend one of their numerous facilities. Safe to say, after two days and an attack from Hank himself, you quit the AAHW...895 downloadsupdated 10 mo ago
• 11 Imprint Creberby 76561199163709268Makes Project Creber require 1 less imprint than normal because he kinda weak.890 downloadsupdated 15 mo ago
• PParadigmadness Packby 76561199574725336Includes: 9 Different Eye Monster varients (appears in infinite waves of murder room) 2 Custom faces in loft and a eye monster origin! Have fun! (Paradigmadness created by Alpha-Nuva) (Mostly a port of a mod made by Bian Shepherd on Youtube)886 downloadsupdated 12 mo ago
• MMadyln's Musicby Synthesizer FelineAdds some of my music to the game, including remixes and original songs. NOTE: You can only use these songs within M:PN. You are not allowed to claim that they are yours, repost raw audio, or use them in other projects. All compositions belong to their respective owners.884 downloadsupdated 1 mo ago
• DDemonic Gunslingerby Eagle ScoutYou were once an esteemed marksman and gun instructor who won many shooting competitions around the nation. You taught hundreds of second amendment nutjobs how to better use and maintain their firearms. Sadly, in your quest to become world shooting champion, you made a deal with the devil. You st...883 downloadsupdated 6 mo ago
• NNHE armor pack temp fixby 76561199163709268This mod requires a manual install. Take everything but the info and icon files and put it into nhe's armor pack. Fixes armor not showing up in the quartermaster's shop.876 downloadsupdated 14 mo ago
• CCycle Origin\Characterby 76561198919821880This addon is heavily inspired by my Subject 106 NEM mod, and it attempts to recreate what a combat cycle from Trepang2 would look like as an origin. It includes two colour swatches, and I hope you guys enjoy! Make sure to leave feedback in the comments. This origin was not made with the intent t...873 downloadsupdated 2 y ago
• MMadyln's Tactical Weapon Namesby Synthesizer FelineExchanges all fictional weapon names with their real-steel equivalents. Does not affect the stats of any weapon. Rebalance pack is recommended, but not required. INCOMPATIBLE WITH OTHER WEAPON NAME CHANGING MODS.868 downloadsupdated 7 mo ago
• UUnrestricted Playgroundby XDefaultNo longer hides any characters or weapons from Playground Mode menus.864 downloadsupdated 7 mo ago
• SStatus Quo Troopers: ENHANCED! (OVERRIDE)by YouhoooopDo you ever summon your troopers mid-fight, even upgraded, and watch them eat dirt almost as soon as they appear? Well, you can suffer that no longer, with the additional skills, armor, and durability added to all variants of the arena mode's SQ trooper to make them stay in the fight with you lik...863 downloadsupdated 19 mo ago
• TThe Misc MadCom Chars Modby W.D. GasterAdds various characters from throughout the Madness series to be used in the Playground mode. More will be added as time goes on, as well as updates to the currently added characters. Currently adds: Janitor Grunt - Incident: 011A Paintball Mask Agents - Incident: 100A Mag Hank - MC9 Mag Agent N...852 downloadsupdated 2 y ago
• FFingergunsby Explo⁧⁧☄Finger guns... for MPN. Yeah. You can buy these at the Fence btw.851 downloadsupdated 23 mo 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.