Mods

• MMADNESS ABDUCTIONThis mod added stuff from animation characters! ARENA stage! and more YOU can use this mode for your custom levels116 downloadsupdated 30 d ago
• LLaboratory robot riot [beta]by 76561198918187567The difficulty is high, and the final boss of the level is the S3lf eater It should be considered as an unfinished stage115 downloadsupdated 2 y ago
• JJunker Clan (Pit-stop replacement)by 76561199134674878Fight against the junker clan, a clan of scottish culprits. This is a remade version of my previous Junker clan mod, that suddenly stopped working, now everything should be all right. Art made by Jack Valentine.113 downloadsupdated 7 mo ago
• ((OLD) The "Wastelanders"by 76561199299089286Check The Remastered Version, This One Is Awful, But Easier111 downloadsupdated 22 mo ago
• DDad Bladeby 76561199782333075The weapon of enlightment, stolen from The Dad himself like da prometheus stole fire 4 hoomanz.110 downloadsupdated 2 y ago
• AAmerican Tinkererby 76561199163709268Changes Tinkerer's name to something else that likes guns.110 downloadsupdated 15 mo ago
• PPanns Cool Originsby JoaquinCROrigins that people requested, none of these ideas belong to me. Bandit Bully - Created by Labaz_31 Zed Bully - Created by Labaz_31110 downloadsupdated 11 mo ago
• UUnknown Variableby 76561199018171074Original Characters110 downloadsupdated 7 d ago
• PPostal Dude / Rick Hunter - Hank Voice ReplacementEver have one of those days?110 downloadsupdated 1 mo ago
• CCosmo the Seedrian Originby donutmarioMy clan was wiped out by the Metarex. I felt like I was helpless and couldn't do anything to stop them... but because of you, I learned that I didn't have to stand by and watch the Metarex take over. I could do my part to fight back and help restore my clan. I just wanted you to know that I'm hap...108 downloadsupdated 13 mo ago
• SSpecial Toxic Forces: Endlessby 76561199296780630A endless version of my Special Toxic Forces. It replaces Pit Stop with a more difficult stage, so is recommended to enable this mod once you are in the later stages of the Arena.108 downloadsupdated 15 mo ago
• NNot Enough Fast Trackby 76561198951643478Replaces every Arena stage with Fast Track. this mod is literally Not Enough Hard Sell by Dacker, go check it out. dont download this mod it sucks A.A.H.W. sprites by megarunner12 on Newgrounds (sorry if the artwork looks like horseshit, i just got adobe animate and im still learning)108 downloadsupdated 12 mo ago
• MM:PN ARENA CLASSIFIEDClassic arena experience my vision of it. -Almost 30 waves all from original MPN (ive read thorught wiki hope it wasnt lying) -Music from MPN:C -2 origins -Zeds on infinte waves not very good honestly. Playing on madness difficulty is highly encouraged, but not necessary for the mod to work. Mod...107 downloadsupdated 1 mo ago
• CClassic MERCby NevermoreThis mod recolors MERC units to be more in-line with ShootDaCheese's sprites for use in Madness Animations, seen here. At the moment, this does not change The Sheriff or the Gunner Twins. This colorization may not be fully 100% accurate so it may be changed further down the line. It also removes...106 downloadsupdated 6 mo ago
• NNevadean Nightmare: EASY MODEby Synthesizer FelineAccessibility mode for those who wish to experience the mod without its absurd difficulty.106 downloadsupdated 13 mo ago
• Qquiet wingidon disquieted & offering hirelingby 76561199581827216Makes them less edgy and more bearable. Also gives disquieted their og mask back and takes away their claws to not be too similar to the experiment. Yes I know this is the same exact thing I said for the addon for origins revamped, shut up.106 downloadsupdated 8 mo ago
• BBuzzcorpians! (Characters addon)by 76561199401535092"Buzzcorp now in Nexus City!" (this is the third time i had to write all this) The Buzzcorp is a corporation in charge to Product and Deliver their most popular product Buzzkill around nevada since 2002, now coming to the Nexus City! Incluides: - From the lowers to the highest rank from the origi...105 downloadsupdated 10 mo ago
• RRapper originby 76561199014569830It is who you think it is104 downloadsupdated 23 mo ago
• GGraveyard of Empires - Easy Modeby 76561199193362654If GoE was a bit too difficult for you but you still want to fight the boys in red, this arena is for you. Definitely a much more relaxed experience, though vocations are still broken104 downloadsupdated 17 mo ago
• FFake Bat from MOTHER 3by 76561199095675019Adds the ONLY bat (totally. Nuh uh. Nope. No real bat at all.) from Mother 3 into M:PN. It's literally just a better version of the two bats that are already in the game. You may be asking yourself: "Why of all things, Would you make THIS as a mod?" Well it all started when i was a wee lad in the...103 downloadsupdated 2 y ago
• BBase Bullyby 76561199359622781This serves as a base for all Bullies (not Half-Mags, not G03LMs, and not Brutes). Rocks in the face by Amila Rola102 downloadsupdated 21 mo ago
• SSpecial Toxic Forcesby 76561199296780630A faction made up of soldiers who love garbage, acid, dirt and toxic things. This mod replaces Pit Stop with a more difficult stage, so is recommended to enable this mod once you are in the later stages of the Arena.102 downloadsupdated 2 y ago
• Hhalf mag NO.3by 76561199368478746102 downloadsupdated 18 mo ago
• DDamned Originby 76561198993166528Totally not originally came from decaying winter.102 downloadsupdated 13 mo ago
• FFanatical Believer OriginA Fanatic Origin - Become the most buoyant of 'em all!101 downloadsupdated 29 d ago
• EExecution Man Modby 76561198966136029A Character Execution Man100 downloadsupdated 14 mo ago
• SSandbagby JoaquinCRAdds a sandbag to beat up and take your anger out on. This is basically the NEM Sandbag, but adds a medium sized one with a stagger, a brute sized sandbag alongside the normal one.100 downloadsupdated 14 mo ago
• RRich originby 7656119975793821199 downloadsupdated 6 mo ago
• VVampire Hunter/Night Tough OriginA basic origin for the vampire hunting Night Toughs!98 downloadsupdated 7 d ago
• OOrigins+by 76561199105888177This mod adds more origins yes super cool what it adds : (i lost count) new origins (THATS ALOTTA ORIGINS) most of them are op i spent way too long on this (this is my first mod btw dont hate)97 downloadsupdated 13 mo ago
• FFang the Sniper Originby donutmarioYou're secretly hired by Dr.Eggman at some point to search anything that could be useful for the doctor for his world conquest. Though, through all his encounters with him, he only wants the reward. Credits: - Sonic Team & Sega (Creators of the Sonic The Hedgehog series) - Steelysketchfab (Materi...95 downloadsupdated 13 mo ago
• ""Empty"'s Weaponsby 76561198993166528Adds most of the changed vanilla guns, melees and throwables to the modded game. :)92 downloadsupdated 10 mo ago
• TThe actual minigunby 76561198993166528The Minigun from the Hit game! Real Life! (It's cost 3500000$ to buy this one.)92 downloadsupdated 13 mo ago
• AArknights W modArknights character W and her origin. Hair model：TDA W Author: TDA, agahat, MelodyChang, JustLunaLover, BLUEWHOLE STUDIO, EN MASSE ENTERTAINMENT, XNALARA, iRon0129, French Fries, ShiinaRei, Relomi, AngryAlice0, potatoella1, Nanami Haruko, ask-mmd-Sud-Italia, Sonicwillrule Edit by: 黑糖鼠 Converted f...91 downloadsupdated 3 mo ago
• BBETA PACKby 76561199155802695I love vanilla but I'm drawn to beta content. I left vanilla and got used to it. AAHW Bandit Nexus core MERC Arena beta Environment Asylum VR_Grunt90 downloadsupdated 9 mo ago
• LL4D2 Ellis - Deimos Voice Replacement"One time, the Nexus Core bombed my buddy Sanford. He went camping and didn't bother to read the signs, and I guess they were just testing bombs that day. All sorts of stuff, too, not just regular bombs. Like biological nerve-gas bombs, dissonance bombs, these bombs that break up in the air into,...89 downloadsupdated 1 mo ago
• TTraitorbase Remake FULLby 76561199105888177IT'S FINALLY HERE! AFTER ALL THE HARD WORK! TEARS! WORK! my fingers practically hurt from all this. Please, give me rest. I'm not gonna update/Post ANYTHING for a month. I'm taking a break, i hope you guys understand. With that, I shall rest,87 downloadsupdated 14 mo ago
• KKamenschik Originby 76561199079001700Adds Kamenschik as an origin in Arena Каменщик сан — 32 года, вес: 2 мешка свежего хлеба, рост — один хлебный ларёк в высоту. Место рождения — сирийская область. Обвиняется в краже хлеба в местном ларьке. Любимое блюдо — свежий хлеб. Любимое хобби — отнимать хлеб у богатых и отдавать себе. Любима...84 downloadsupdated 3 mo ago
• Ttraitorbase Remake DEMOby 76561199105888177this is just a demo, the full release won't be the demo but with more rooms, it will be much different. full version can be found here82 downloadsupdated 15 mo ago
• TThe Super Late Birthday Modby 76561199586489289Here's my super late birthday mod adding this guy im only a month and 5 days late82 downloadsupdated 17 mo ago
• PPunk themed A.A.H.Wby 76561199586489289This mod replaces the A.A.H.W in fast track with Biker/Punk themed enemys (the base A.A.H.W are still in the game they're just not on fast track)81 downloadsupdated 22 mo ago
• PPHOBOPHOBIA Musicby 76561198986413092All rights belong to the original artist, PHOBOPHOBIA / Waves Pearl. I've tried to get in contact but was met with no luck, so if they request to take it down I will comply. Artist's Channels: Artist bandcamp link: Contents: Vol. 1 - 12 songs Vol. 2 - 24 songs Vol. 3 - 48 songs Vol. 4 - 24 songs...81 downloadsupdated 2 y ago
• Bbuffed vampire bruiserby 76561199234194658the vampire punks SUCK to fight, but the bruiser is more of a damage sponge and the occasional trip/knockover. so this mod tries to make him stronger80 downloadsupdated 13 mo ago
• GGuns addons! (for my guns)by 76561198993166528All of these addons are vanilla, Not as exciting but they're addons for your guns... (This is needed for some ammo for my shotguns otherwise this is used for your pleasant weapons.)80 downloadsupdated 10 mo ago
• TThe WHOLE ULTRAKILL SoundtrackTHE WHOLE ULTRAKILL SOUNDTRACK is finally in Madness Project Nexus every one of 103 songs are here, the GUIDs are in mods directory so you can use them in your custom stages NOTE: I know that there is already a mod that adds ultrakill soundtrack but it's incomplete80 downloadsupdated 1 mo ago
• WWorld Cupby 76561198800943997World Cup The Greatest Trophy In Football79 downloadsupdated 2 y ago
• GGrunt in cool capby 76561199757938211This is grunt in cool cap79 downloadsupdated 7 mo ago
• ZZerker OriginA basic origin mod for ferocious Merczerker.79 downloadsupdated 28 d 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.