Mods / Enemies

• TTLH Enemies (sorta)by Spy's Cr3edBunch of TLH Enemies now available to Siberian Mayhem! The available enemies right now are - Lightning Man, Siren and Skeleton Warriors (Which are ported from 4). For more information how to set them up check the Sam4 Versions Siren Lightning Man Root: Content/SeriousSam4 In case I make any other...3.4k downloadsupdated 4 y ago
• [[Resource] Aludran Reptiloids Pack (+3 Reptiloids) {SM version}by ChrysalisAdditional Aludran Reptiloids for SS SM Same resource, but for SM Enemy resource Includes custom Projectiles, Messages Includes: -Highlander -Highlander's Bride -Higlhlander Goliath Free for use on any your maps :3 Secret Giant Kazahstan Lizard project2.7k downloadsupdated 4 y ago
• TThe Warchaserby ThanadraxThe "Underworld demons" are loose Welcome to The Warchaser - an SP/COOP adventure set around forests and ruins, where the great "Hades" awaits. This pack of 2 missions is an excuse for release of a very short map, Reminiscence. This time, you will have more time to explore the world, and more foe...2.4k downloadsupdated 4 y ago
• LLava Elementals (Enemy Resource)by Sulphuric_GlueSmall and large Lava Elementals ported from SS4 into Siberian Mayhem. This is for use by modders who want to add Lava Elementals to their levels. The relevant files can be found under Content/SeriousSam4/Databases and then in the Puppets and Behaviors folders. Weirdly, the SM files contain bits a...2.1k downloadsupdated 4 y ago
• MMy Memories: Egyptby 76561199040911078My Memories It is a project that aims to improve my old maps and build them on newer engines of Serious Sam series. Here you can once again plunge into the atmosphere of Serious Sam 3, to remember my first map ever which is almost 3 years old and just enjoy the old map, while getting a completely...1.9k downloadsupdated 3 y ago
• RReminiscenceby ThanadraxWhat lies in memories isn't always true... Welcome to Reminiscence - an SP/COOP short map set around abandoned church, inhabited by Mental's horde. This mission is my first and, probably, last map for Siberian Mayhem for a long time (depending on how things go). With limited supplies, you will ha...1.5k downloadsupdated 5 y ago
• BBackroomsby Cyborg.SeriousSiteBackrooms "If you're not careful and you noclip out of reality in the wrong areas, you'll end up in the Backrooms, where it's nothing but the stink of old moist carpet, the madness of mono-yellow, the endless background noise of fluorescent lights at maximum hum-buzz, and approximately six hundre...1.5k downloadsupdated 4 y ago
• SSulphuric_Enemiesby Sulphuric_GlueThis used to be a mod specifically for the Venerable Arachnoid, but now this is a collection of all the enemies I have made or will make. These are resources for modders to put in levels, they do not add anything to the base campaign. Puppet files can be found under SeriousSamSM/Databases/Puppets...1.3k downloadsupdated 10 mo ago
• SSkeleton Soldier (Enemy Resource)by Sulphuric_GlueSkeleton Soldiers ported over from SS4 into SM. Now you too can smash skulls and shatter shields! The puppet and behaviour files can be found under Content/Serious Sam 4/SkellyStuff. It also comes with a variant with reduced destruction debris for better framerates under dynamic lights. Why was t...1.1k downloadsupdated 3 y ago
• GGeneral Armstrongby noam 2000Replaces the final boss with that one senator you shouldn't fuck with, featuring full voice acting by Gianni Matragrano! And yes, the boss music is replaced with "It Has To Be This Way". Assets for Senator Armstrong, as well as the soundtrack, are taken from "Metal Gear Rising: Revengeance". I ta...1.1k downloadsupdated 4 y ago
• SSSHD Monsters SuperPackage(Resource)by serious bombSSHD Monsters SuperPackage(Resource) SSHD's enemies and their extended enemies This also includes some enemies in the revolution, such as various elemental monsters, GimzoSpawnerWalker The file includes a MonsterTest.wld file,creators can learn how to use the splitting of elemental monsters and t...1.1k downloadsupdated 12 mo ago
• SSS-SM Biomeches SeriousPackage(Resource)by serious bombPackageVersion: v1.5 Biomeches: --MiniGunner Biomech --ShotGunner Biomech --Destroyer Biomech --Flamer Biomech --RedLaser Biomech --Slime Biomech --PlasmaRocketer Biomech --LavaLauncher Biomech --FireBall Biomech --Cannon Biomech --MagicLauncher Biomech --Electricity Biomech --Spawner Biomech --A...1.1k downloadsupdated 12 mo ago
• EEnemyPack Arachnoid-Scrapjack (SS-SM Version)by serious bombEnemyPack Arachnoid-Scrapjack (SS-SM Version) Arachnoid: --Arachnoid-Laser --Arachnoid-Devastator --Arachnoid-PlasmaCracker --Arachnoid-SlimeShooter --Arachnoid-Electricity --Arachnoid-Zealot --Arachnoid-Flamer Scrapjack: --Scrapjack-Cannon --Scrapjack-Grenade --Scrapjack-FireBall Note Because I...1.1k downloadsupdated 14 mo ago
• BBeheaded-Harpy EnemyPackby serious bombEnemyPack Beheaded-Harpy Beheaded: --Beheaded-SuperBomber --Beheaded-SuperRocketeer --Beheaded-Plasmacracker --Beheaded-MiniKamikaze --Beheaded-SmartRocketeer --Beheaded-FireBomber Harpy: --FireHarpy --WaterHarpy --ElectricityHarpy UpdateNote --Fix beheaded use wrong wound animation --Fix Harpy b...1.0k downloadsupdated 12 mo ago
• ((FIXED) X-Front 2022 - Eventby 76561199040911078About My first seasoned theme map for Serious Sam: Siberian Mayhem. Hope you enjoy, because it was really fun making this. Gameplay is default, but have some minor changes. Also there is a "quest system" and dialogue gui got an upgrade. Secrets are pretty simple, some of them may be fun and enjoy...838 downloadsupdated 4 y ago
• SSecrets of Mystical Man :)by 76561199040911078Secrets of Mystical Man The events take place between the end of SS4 and the beginning of SS3. Sam, after killing the Creator, temporarily freed himself from the cycles of the Mystical Place. During this time, he managed to argue with Quinn that he could find something worthwhile in the first cav...582 downloadsupdated 17 mo ago
• PPrototype Finishers Remakeby 76561198956493704This mod aims to recreate Old and Prototype Finishers animations. Includes animations for Gnaar Female - Eye Torn Gnaar Male - Eye Torn -New Octanian Gamma Trooper - Break Neck and Jump Kick Octanian Commander - Break Neck and Jump Kick Octanian Sniper - Break Neck and Jump Kick Octanian Grenadie...525 downloadsupdated 4 y ago
• GGnaar Headshotsby NekorieThis mods adds headshots to Gnaar Male and Gnaar Female. Headshot area is the eye. Modifies Gnaar Male and Gnaar Female collision files (.mch).240 downloadsupdated 3 y ago
• CCrate Bus (Technopolyp Replacement)by BiomechanoidYeah, just had some unexpected guests. This mod replaces the technopolyp with the crate bus from the Serious Sam: The Second Encounter intro. Includes custom sounds and netricsa message (English localization only). Credits goes to Croteam for the models, sounds and textures. Just like the SS4 ver...234 downloadsupdated 5 y ago
• GGirls' Frontline Sangvis Ferri Enemy Replacements (SM)by ラミAgent's filet part on my face NOW! Hot single SF waifus in your area! CLICK NOW -> Meanwhile me, sitting in the middle of nowhere in Siberia on an oil refinery outpost with seagulls and snitchy cunt as my only companions. Fear not, for that ad actually becomes true with this port of my SS4 mod, m...189 downloadsupdated 4 y ago
• BBeheaded Audio Replacementby SkullByteI've always felt the vanilla Siberian Mayhem Beheaded enemies sounded very bland and uncanny. This addon replaces ALL of those sounds with SS3's. Hope you enjoy it as much as I do!177 downloadsupdated 4 y ago
• RRed Biomech shoots rockets after deathby PickurtNow major biomechanoid will shoot two rockets after death it is not really dangerous, but whatever169 downloadsupdated 5 y ago
• JJimmy Barnes Kamikazesby BiomechanoidThey're back! This mod replaces the moving sounds of the beheaded kamikazes with that song from a certain Australian rock vocalist.161 downloadsupdated 5 y ago
• PPapich Yell for Kamikaze [Replacement]by ArtEM-41The kamikazes are now shouting in the voice of the Papich "Atention! Slavic meme!" Replaces the original game files!135 downloadsupdated 3 y ago
• DDonkey Kong Female Gnaar Replacement (SM)by ラミLocal amerikanec abuses monke fella in 'definitely-not-Pripyat' with his gang of hippie-looking individuals. Stay tuned for more at eleven. More porting from 4th, more bajyeners, still no coconut gun replacement for the cannon. Credits: Nintendo, owners of Donkey Kong franchise and every related...126 downloadsupdated 4 y ago
• NNew Octanian AirCraft Resource Packby serious bombNew Octanian AirCraft Resource Pack Update: --Add new Octanian Raider DropShip Creators can use it according to their own ideas. At the same time, I provided a simple script. Place the script in the map, create a DropShip incubator named DropShipSpawner, and call worldgloble.DropShipSpawn(CurveHo...116 downloadsupdated 5 mo ago
• GGnaario (SM)by ラミBut of course. No way i'd skip porting this one aswell. Wario, replacing male Gnaars, with his throwable garlic and custom sounds, coming back again to eat all the lead he can catch. Credits: Wario World and other Mario-related media belongs to Nintendo, obviously.114 downloadsupdated 4 y ago
• OOriginal Yellow Visor for Octanian Grenadierby 76561198956493704This little mod changes the color of the visor from something like orange, I think it's orange to the original yellow.107 downloadsupdated 4 y ago
• [[Resources] BFE SpaceShipby 76561199089588534It's invisible by default. Need using script: spaceship: WarpIn(warpinMarker) "spaceship" is the SpaceshipPuppet, and "warpinMarker" is the PathMarker Entity.105 downloadsupdated 23 mo ago
• OOctanian Turret Resource Packby serious bombOctanian Turret Resource Pack UpDate Note: --Add 5 New Turrets --Fixed the issue where turrets might fly away Ground Turret: --Cannon Turret --Grenade Turret --Devastator Turret --Flamer Turret --Rail Laser Turret --Rocket Turret --Minigun Turret --Shotgun Turret --Plasma Cannon Turret --Mine --E...96 downloadsupdated 5 mo ago
• UUltragib for Siberian Mayhemby sebulThe ultragib mod for SS:SM is finally here. Inspired by Ultragib mod for SS4 by NSKuber. This mod makes enemy turn into chunks of meat using any weapons! I did not touch Vampire's stat due to it dying with buring animation is more visible and adds a bit of variaty. But other then that, you can ex...95 downloadsupdated 4 mo ago
• CClassic Style Kleer Skeletonsby 76561198964844962An attempt at making the kleer skeletons resemble their classic counterparts by removing their glowing orange eyes and giving them shoulder armor by using some resources from Kleer Kurt's model. Includes updated gibs that contain the shoulder pads.86 downloadsupdated 3 y ago
• PPIKD-4000by ЧиЛаВеК-ПаВуКThis is an AI-made port of the original mod for Serious Sam 4. You can find the original mod description here. Big thanks to NSKuber for creating the mod.63 downloadsupdated 4 mo ago
• HHarvester Drone [Source]by ArtEM-41THIS IS NOT A FULL-FLEDGED RESOURCE PACK! These are the sources and a demonstration of the reconstruction of the mechanic cut from the SS4 enemy Harvester Drone. Level - Serious Sam 4 Gallery Content/41content/HarvesterDrone/Levels/Demonstration/Demonstration.wld Level - Siberian Mayhem Gallery C...59 downloadsupdated 23 mo ago

34 enemies 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.