Mods / Modifications

• [[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
• 116 Players Co-Opby NSKuberThis mod raises the max player count in Cooperative and Co-Op Survival gamemodes to our beloved 16. The mod also spawns additional vehicles/mechs in all campaign levels which have them. Note: every player looking to join such a high-player count game must have this mod installed.1.8k downloadsupdated 5 y ago
• SSSHDWeapon&Item_CompletePack(Resource)by serious bombSSHDWeapon&Item_CompletePack(Resource) -This package contains SSHD weapons and items, including HD style weapons, HD style health, HD style armor, and HD style bullets. -The weapon has been adapted for Sam 4, and players can call HD weapons and corresponding upgrade accessories through NRM. The a...1.2k downloadsupdated 12 mo ago
• SShotgun Dual-Wield reanimation [Replacement]by SoldierReplaces shotgun's default dual-wield/akimbo firing animation with a new cool-looking one. Functions exactly like SS4's version. I've always felt that shotgun's dual-wield aka akimbo animation was underwhelming. I mean, it's pump-action when used with both hands, yet somehow rechambers itself lik...1.1k downloadsupdated 4 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
• XX-Front 2022 - Event: Weaponsby 76561199040911078About X-Front 2022 - Event: Weapons created for better atmosphere of the campaign. It is replacement, so you can play with this at other maps. Hope you'll like it.1.1k downloadsupdated 4 y 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
• AA Serious Encounter(Resource)by serious bombA Serious Encounter(Resource)1.0k downloadsupdated 12 mo ago
• AAlternative Ending Where Serious Sam Kills General Brand And Dances Gangnam Style Without The Interruption Of Future Samby noam 2000I've lost it!!!895 downloadsupdated 5 y ago
• AAK Opticby Spy's Cr3edOkay so basically... this mod adds optic to the AK also some Material overhaul. Remember when people used to remove the Optic from AR in 4? Did you suddenly changed your mind, hm, do you want it back?785 downloadsupdated 5 y ago
• UUnlock Everythingby Samg1nUnlocks all weapon skins and all playermodels in the menus. Props to Supersniper98 for the thumbnail xD784 downloadsupdated 4 y ago
• BBFE Sunglasses for Samby UrbanDeHumanA mod coming back from Serious Sam 4 to Serious Sam: Siberian Mayhem! It replaces Sam's sunglasses with orange sporting sunglasses that he had in Serious Sam 3: BFE.707 downloadsupdated 5 y ago
• OOriginal Crosshairsby Samg1nPort of Original Crosshairs mod for SS4. Adds all crosshairs from other games.690 downloadsupdated 5 y ago
• CClassic Weapons Order for Num 3-4by timilyo80It's back! It's fresh! It's brand new! It's that one mod that saved the muscle memory of over 600 players, now available for SM!!! (change the order of the weapons on slot 3 and 4, so the double shotgun and the minigun are first and the single shotgun and the AK are seconds (like in the good old...670 downloadsupdated 5 y ago
• [[SM] Reshaded Weapons Packby Samg1nThis mod replaces majority of Node shaders on all SS4 and SM weapons, gadgets, and player projectiles with the superior Standard shader for the purpose of bringing out the metallicity, details and making the models look actually dark in shadows. Majority of SS4 weapons are ported from Sacor's ASS...659 downloadsupdated 4 y 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
• LLaser Projectiles Replacementby NeiserDescription Unless you have bloom enabled, the laser projectile models in SS4 look like a white spaghetti noodle mixed with a glowstick. This mod will replace the models for the following: - Laser Rifle projectile model - Minor Biomechanoid laser projectile model - Octanian trooper laser projecti...522 downloadsupdated 4 y ago
• DDouble Jumpby 76561198879145591In short, this mod adds a double jump to the game Disclaimer! This mod is not mine, I just ported it here, the original author of this mod is NSKuber, thank him for this mod Link to the original - Update 2.0 from 03.01.2026 The original script has been modified so that double jumping can now be d...488 downloadsupdated 10 mo ago
• RReptid's SS4 Touhou packby BuBunPachi : SaiDaiOuJouFeaturing 4 characters from Touhou project as playable characters, these are ports of my already-uploaded SS4 playermodels. For more information about the characters see : I will port more characters to Serious Sam in the future, Im open to suggestions. Special Thanks mystia and Kurumi Credits ZU...471 downloadsupdated 4 y ago
• EExtended FOV for weapons + gadgetsby 76561198879145591The simplest mod that just makes a big fov for guns and gadgets470 downloadsupdated 3 y ago
• RRocket Launcher Repositionby BjovicOriginal mod by Vrabo469 downloadsupdated 5 y ago
• DDouble Shotgun Grenade Launcher Attachmentby PikaCommandoA port of the SS4 Double Shotgun Grenade Launcher Attachment mod.436 downloadsupdated 4 y ago
• GGrenade launcher Reposition (SS4 port)by VraboPorted from Serious Sam 4. Original description: Tired of your grenade launcher looking like it's hiding in the corner and afraid to show off it's cute upgrade module to you? Tired of the grenade launcher trying to distance itself from it's rocket relative by positioning itself in an odd way? Wel...425 downloadsupdated 4 y ago
• CCannon - Planet Badass Positionby VraboThis is a mod that's been ported from Serious Sam 4. Original description: Cannon (Planet Badass position) This mod changes the viewmodel positioning of the cannon so that it resembles the version we've seen in the pre-release footage. It is not meant to be a perfect replica, it's simply my own t...418 downloadsupdated 4 y ago
• CClassic Green Bomberby NeiserReplaces the bomber's color texture and nothing else. All credit goes to Soulmyr for the texture. Original by Soulmyr in SS4:413 downloadsupdated 4 y ago
• SSiberian 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 4 y ago
• BBO3 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
• EEgypt - 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
• FFixed 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
• RRestored 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
• AAkimbo Pistol Repositionby 76561198898868461self-explanatory309 downloadsupdated 2 y ago
• SSeriously Beefy Weapon Sounds 1.11 Port to SMby Mike UchihaCredits two Polish Berton Karolus295 downloadsupdated 3 y ago
• BBanana 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
• NNo 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
• BBorn 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
• SSurvival 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
• UUltimate 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 18 mo ago
• HHUD 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 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
• DDX5 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
• 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
• PProjectile 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
• MMighty 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
• FFaster Rocketsby 76561198799338803Increases the launch velocity of the player's rockets from 40 m/s to 60 m/s (homing rockets: 30 m/s → 45 m/s). This mimicks the rocket speed from Serious Sam 2. No alterations were made to the projectiles' damage statistics. Click here for the SS4 version of this mod.220 downloadsupdated 2 y ago
• SSteamed Hams, but it's a Survival Mapby Seriously StupidReplacement map for The Snowrider. Replaces the fight music with the Steamed Hams audio track and features an alteration to the skybox. Track your record for survival by the amount of times you hear Steamed Hams looping. It is recommended you adjust music volume to have the highest level for maxi...211 downloadsupdated 5 y ago

103 modifications 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.