ModsSerious Sam: Siberian Mayhem
Serious Sam: Siberian Mayhem 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.
276 mods, most downloaded first · newest update 17 Oct 2026
Modifications103Weapons81Single player65Additions60Cooperative55Models49Graphics42Player Models37Resource Pack37Enemies34Sounds34Maps29Custom Campaign25survival24Versus12Music9Multi-pack9ctf7Language6
- Snow Castle Expanded Editionby fil.smi93Eng I made this map for the Castlemania contest in 2024, and now I've finally managed to not only polish it but also expand it. Replay the Snow Castle map by completing the new side quest in the catacombs! New zones and secrets have also been added to the map. Moreover, by finding four secret cha...390 downloadsupdated 10 mo ago
- Siberian Mayhem Reworked Weapons Packby MattStarChiefThis weapon pack is intended for use with Serious Sam 4 Reworked. I have ported it to Siberian Mayhem. Viewmodels in the pictures above are part of a separate unlisted mod. Link below. Changes to all weapons Reworked Rendering seperate to this mod. See link below for reworked viewmodels. Pistol -...384 downloadsupdated 5 y ago
- Recolored Health Pickupsby Mike UchihaCensored :) in FPS Games Credits - Soulmyr375 downloadsupdated 3 y ago
- Better 3rd person camera viewby Sadako lover <3Now camera have better angle view (like Fusion) or previous games371 downloadsupdated 5 y ago
- Neco-Arc Playermodels (SM)by ラミIf SM is a better version of SS4 (which is just not true), then adding NecoArc to it must make it the best game ever, right? Another port, another run into the ground funny cat joke. dori dori dori - Team colors; - First-person things called 'hands'; - Custom sounds. Issues: Same as before, non-s...365 downloadsupdated 4 y ago
- Rainbow Lasergun (Resource)by NSKuberThis is a custom resource weapon. Use NRM to obtain it! Rainbow Lasergun is a custom weapon which functions as a regular Lasergun (with Deathray included), but it allows the user to freely change the color of the laser right during the game! Includes a randomized mode which changes the color for...364 downloadsupdated 5 y ago
- Custom Looter Shooter Ammo PickUpsby The Eternal CrusaderPort of this mod Only sniper, assault rifle and shotguns have different ammo model for looter shooter skill drops. This mods adds custom ammo models for looter shooter drops for minigun, grenade launcher, lasergun, cannon, rocket launcher, devastator, autoshotgun. SM version of this mod includes...356 downloadsupdated 4 y ago
- BO3 M1911 (Pistol) (SM)by xdshotCall of Duty Black Ops 3 starting M1911 pistol for zombies gamemode. Features: Ported first person animations, including goofy ahh ADS fire; Compatible with all player models and their arms; PBR metallic-roughness materials; All animations implemented; Dual-wield support; Attachments; Something e...356 downloadsupdated 3 y ago
- Egypt - Main Menu (Replacement)by LisSenDescription This modification transfers the game menu and pauses to your usual Egypt. Warning The modification replaces the original game files and may be incompatible with other modifications (possibly). Version 1.0 Global change of the main menu of the game Changed the image in the pause of the...354 downloadsupdated 3 y ago
- Anime Game Character Packby serious bombCharacter List GENSHIN IMPACT ◆Chevreuse ◆Clorinde ◆Dehya ◆Escoffier ◆FischlPrincess ◆Furina ◆Ineffa ◆Jahoda ◆KukiShinobu ◆Mavuika ◆Navia ◆Nefer ◆QianZhi ◆Yoimiya HONKAI: STAR RAIL ◆Stelle ◆Cyrene ◆Firefly ZENLESS ZONE ZERO ◆Nnmber 11 ◆Anby ◆Ling ◆Vivian-Swimwear GIRLS' FRONTLINE 2: EXILIUM ◆Cent...348 downloadsupdated 10 mo ago
- Inventory Upgrade -- Max Ammo Capacity [Resource]by Spy's Cr3edOkay so... basically... this is an inventory upgrade that let you carry extra ammo of any type. It comes with +25/50/100% extra ammo capacity space. [.:Usage:.] Entity Type: Composite Entity Path: Content/SeriousSam4/Presets/CompositeEntities/InventoryUpgrade_MaxAmmoCapacity Special thanks to the...342 downloadsupdated 5 y ago
- Fixed Pickup Sounds for Devastator and AutoShotgunby 76561198799338803Fixes an error where if you pick up the A-24 Devastator, it makes the AutoShotgun's pickup sound, and vice versa. Interestingly, this error was already fixed in the Serious Sam 4 & Siberian Mayhem Weapons Pack for Fusion. Modifies: Content/SeriousSam4/Models/Weapons/AutoShotgun/AutoShotgun_Item.m...342 downloadsupdated 2 y ago
- Restored Huge Explosion Sound for Cannonballsby 76561198799338803Restores the huge explosion sound for exploding cannonballs used since Serious Sam 2 and also changes the cannonball projectiles' material effect type from RocketHit back to CannonExplode like in previous games. Modifies: Content/SeriousSam4/Models/Projectiles/CannonBall/Cannonball.mdl Content/Se...337 downloadsupdated 2 y ago
- Sam Without Sunglassesby 76561198368226736Removes shades from Sam related models, Serious Sam, Serious Sam Future Captain, Serious Sam Future, Mental Mate, Santa Sam, Secret Sammie, Silicon Sam and Serious Sam Classic TFE.319 downloadsupdated 5 y ago
- Halo 5-Master Chief Player Modelby 76561198799338803“Sierra 117 to Infinity. Argent Moon scuttled. I've reassigned Blue Team, destination Meridian. Potential contact from Cortana.” Fusion version SS4 version313 downloadsupdated 17 mo ago
- Rocket Launcher BFE Clockwork Reload SFXby DextroseChanges the reloading sound to match BFE's rocket clockwork reload SFX which I feel sounds much better and is much more audible. Ported from Sam 4310 downloadsupdated 5 y ago
- Akimbo Pistol Repositionby 76561198898868461self-explanatory309 downloadsupdated 2 y ago
- Twin Maids Playermodels (SM)by ラミFor someone who is supposed to be gone, Rem is pretty damn tenacious, coming back again and again. Port of SS4 playermodels of Demon Twins of Roswaald Mansion, Rem and Ram, make their way into S&M - wait i didnt mean th- Includes: - Team colors; - First-person hands; - Custom sounds; - All season...303 downloadsupdated 4 y ago
- AK-74 new soundsby BjovicDefault sounds are little toyish to my taste. No offence, so i decided to change them. Modifies fire, reloading and intro sounds. P.S. Sounds on my system are muffed a bit, so i hope i didn't made them too loud. Let me know if they're too loud, i'll change it.299 downloadsupdated 5 y ago
- Seriously Beefy Weapon Sounds 1.11 Port to SMby Mike UchihaCredits two Polish Berton Karolus295 downloadsupdated 3 y ago
- Banana Knife (Combat Knife Replacement)by BiomechanoidReplaces the combat knife with a banana. Comes with its own netricsa message (english only), weapon icon and sounds. Mmm.294 downloadsupdated 5 y ago
- Fields of Gore - Longer lasting Gibs (optimized and high FPS Version)by SamIamThis is an UPDATED and OPTIMIZED Version now! Enemy debris will stay between 5 to 70 seconds, automatically managed by the engine. Please do a test and leave a feedback/ positive rating if everything works well. Important: Blood pools (decals) will always appear and never disappear when changing...293 downloadsupdated 4 y ago
- New Year Fableby sharsteinWarning! Entire map is in Russian language. All my attempts to adapt jokes and humor failed. I can`t even properly adapt introduction text. Gameplay is still there though. 40ish minute map 2nd place in Jingle Bombs 2025 contest290 downloadsupdated 10 mo ago
- No Fall Damageby 76561198879145591Description of this mod: The mod allows you to plunge into the world of bunny hop and parkour without fear that you will be able to crash. So you can freely bunny hop in Siberade and parkour on the roofs of houses in Kalinovka.288 downloadsupdated 4 y ago
- Trueno AE86 [Vehicle]by ArtEM-41+ Highly detailed model of the Trueno AE86 machine, downloaded from sketchfab + Detailed interior of the car with the ability to SIT in ANY place and put your friends there + + + + AS MANY as 14 tracks from Dave Rogers and the ability to include them at absolutely any level (even from a workshop...280 downloadsupdated 2 y ago
- Gachimuchi Playermodelsby ラミWhole gang is here. Well, minus Van. Port of SS4 playermodels into Siberian Mayhem. Billy, Danny and Ricardo, with all their features and drawbacks because weird texture job by model creators (Billy has his neck textures fixed though, so you can ignore the screenshots that show him from behind)....277 downloadsupdated 4 y ago
- Born to Run On By Defaultby 76561198368226736This addon enables Born to Run skill by default, original addon was made by PikaCommando, i made edits for all other skills that do the same thing in the linked collection, have fun. Original addon by PikaCommando. For rest of the skills, here's the collection:274 downloadsupdated 5 y ago
- FOX Character Packby PanFour player models from American Dad, Family Guy & King of the Hill for use in all game modes! Comes with custom hands, sounds and team colours for each character. Dale Gribble Stan Smith Peter Griffin Hank Hill Models from Warped Kart Racers. All Characters belong to Fox.274 downloadsupdated 3 y ago
- Rohani Maiby XenoAisam★====================== Serious Sam Siberian Mayhem; Player Model ====================== Tag: Rohani, anime , model , xenoaisam TITLE: Rohani Mai AUTHOR: XenoAisam E-MAIL: xenoaisam.studio@gmail.com WebSite: SteamID : xenoaisam ======================== INSTALLATION INSTRUCTIONS: ==================...272 downloadsupdated 3 y ago
- Survival Scoringby RoosevPorted and updated from SS4 for SM! Enables scoring during Survival mode! (that includes CO-OP Survival.) -------------------------------------------------------------------------------------------------- - Points are now shown during Survival matches. - Enemies killed during Survival will now sp...270 downloadsupdated 4 y ago
- Winchester 1887 (Weapon Resource)by 76561198898868461Credits: Weapon Model - Infinity Ward Sounds - Ubisoft, Infinity Ward Animations - Bazar For mappers: Weapon params path: Content/SeriousSam4/Databases/Weapons/Winchester1887Weapon.ep Item path: Content/SeriousSam4/Databases/Items/Weapons/GenericWeapons/Winchester1887_Generic.ep268 downloadsupdated 10 mo ago
- Pvt. Tea (Player Model)by PanA custom character for Serious Sam 4 frankensteined from a bunch of other models. Has custom sounds, arms and team colours. Helmet from Counter Strike Zombies Jacket/Shirt from Black Ops 2 Pants from Resident Evil 6 Hair from Dynasty Warriors 6 Sounds from Dragon Ball Xenoverse / Battlefield 4 No...262 downloadsupdated 22 mo ago
- Serious Sam: Extended Encounters Weapons Pack (Resource)by Nevermore2790Weapon Resource Pack. Contains certain weapons from Serious Sam: Extended Encounters. Weapons currently in the list: - XM214-A Minigun - XM250-A Tri-Gatling Cannon (Ripper) - MK-III Grenade Launcher - MAMK-I Bio-Launcher (Ooze Gun) - XL2 Lasergun - XL4-P Beamgun (Ghostbuster) - RAPTOR 16mm Sniper...259 downloadsupdated 1 mo ago
- Ultimate Enemy Weapons Pack (Resource)by LisSenWeapons This weapon pack was created for my future modification and contains all possible enemy weapons, even those that you don't expect to see. Each weapon has high-quality textures, original animations and matching sounds. The complete list of enemy weapons: Minor-Class Assigned Pulse Cannon (...252 downloadsupdated 19 mo ago
- Project Better Performance Siberian Mayhemby Mike UchihaSM+ Dont Support it ! Balance it Final Boss Not Done Double shotgun have 200 ammo max like Classic SS Patch For Serious Engine 4 Add this +cfg_bDisableStreaming=1 +sys_bAllowHyperThreading=1 +sys_bMultithreading=1 +sim_fWorldPrecachingStreamingLoadingDoneThreshold=-1 +texs_ctMaxUnloadsPerFrame=0...249 downloadsupdated 18 d ago
- Wario Playermodel (SM)by ラミNah, WAAH you, garlicman. Having failed in his search for treasure (and even more garlic), Wario now ventures into Siberia in hopes of finding his jackpot and finally retiring.. until he wastes it all on steaks. But nobody told him that garlic is off-season now. Includes: - Team colors; - First-p...246 downloadsupdated 4 y ago
- HUD SFX Updateby RoosevPorted from SS4. Updates the stock (and now 10 years old) weapon switching/error sound effects in the weapons list to something more fitting the game tone. Sounds were made using the existing in-game UI sound effects.245 downloadsupdated 5 y ago
- Gnaar 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
- Halo 5-Edward Buck Player Modelby Shockwave“We get through this, I'll buy the whole damn bar.”235 downloadsupdated 17 mo ago
- DX5 Penetrator (Autoshotgun Replacement)by steak jacobs"Man, this thing's the gift that keeps on gibbing!" ~ Sam Stone probably. This has definitely been the longest and most ambitious weapon rework I've done so far, and I couldn't have accomplished it without the help of Neiser and his insane knowledge of the editor. Seriously, thank you! This versi...234 downloadsupdated 4 y ago
- Crate 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
- RWBY Playermodels (MMD/SM)by ラミNo description? More like, no thinking involved in new season story lmao Anyways, SS4 port into SM, obviously. With all pros and cons as usual, nothing changed. Includes: - Team colors; - First-person hands; - Custom sounds. Issues: - Parts of models vertexes have been made into a singularity (Bl...232 downloadsupdated 4 y ago
- Projectile Aim Bug - Patchby NeiserSM Version Straightens the path of the projectiles when shot at nearby enemies to prevent them from veering off to oblivion. This works for all projectiles. It is only a script and no files are changed. Note: The crossbow is NOT a projectile weapon and thus it still suffers from the bug. Shoot at...231 downloadsupdated 11 mo ago
- Tacticool Samby 76561198368226736Replaces Sam's and Future Sam's models that gives them more "tacticool" design, which is just a mish mash of some models. The vest's texture isn't that low quality, it's just my settings. No Sunglasses version: Military boots version: Military boots without Sunglasses version: If you want the BFE...230 downloadsupdated 5 y ago
- Serious Sam 2018 (Remake) Player Modelby M1L1taristAdds Sam's model shown in the teaser of 2018 year. Thanks to nonamewtff. Tawer's Team for providing the model. And Nigmas for finding textures.227 downloadsupdated 4 y ago
- Restored Classic Weapon Bobbing - SMby BustyA port of my Restored Classic Weapon Bobbing mod from SS4 to Siberian Mayhem. This mod restores the Classic Weapon Bobbing. The new weapons from Siberian Mayhem are included as well. Updated the Raygun Festive Skin & Laser Gun to have the Original Weapon Bob. A bit late on the holiday, sorry abou...227 downloadsupdated 4 y ago
- Taunts/Voicelines for Player Modelsby NSKuberThis mod adds the ability to play custom animations ("Taunts") and sounds ("Voicelines") on player models. This mod doesn't add taunts/voicelines to any existing models, it is simply an instrument to enable this feature. Creators of player models should add taunts to their models if they wish so....226 downloadsupdated 5 y ago
- Mighty Samusby 76561198956493704Briefly Sam returned from the gym pumped up. Mod includes Sam, Future Sam with the beard and Mental Mate. SS4 - BFE Sunglasses SM -221 downloadsupdated 3 y ago
276 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.