Mods / Single player

• CCrash Courseby Roosev(MAKE SURE TO DOWNLOAD THE REQUIRED RESOURCES! ...OTHERWISE BIG BANG!) Yes, it was bound to happen. Fully remastered and filled with brand new content! Crash Course is a survival map that had previous iterations (most notably SS3 and SS:Fusion), originally under the names "The Last Chance" and "C...1.3k downloadsupdated 5 y ago
• HHarder big Reptiloidsby 76561198837506285Makes Chrysalis's big reptiloids move faster, have more hp and only fire 4 fireballs1.2k downloadsupdated 6 y ago
• PPalenque Demo:Remasteredby 76561199068533130Oh my god, it's the old good Palenque Demo or Brother Karnak Demo. I just wondered how this level would look and play on the Serious Sam 4 Engine and thanks to its capabilities to add various features. At least something normal I released after my madness, but I think it won't last long. I don't...1.2k downloadsupdated 9 mo ago
• AAlternate Way - Mystical Place 3 (DLC) / Part 3by 76561199040911078About An alternate universe in which you slightly changed your path to France. Will this path be shorter? Or will you have to stray longer than in the original? Find out after passing. Thanks to everyone who waited, who supported my projects with points, nice comments, and especially video walkth...1.2k downloadsupdated 4 y ago
• AAlternate Way - Mystical Place 3 (DLC) / Part 2by 76561199040911078About An alternate universe in which you slightly changed your path to France. Will this path be shorter? Or will you have to stray longer than in the original? Find out after passing. Thanks to everyone who waited, who supported my projects with points, nice comments, and especially video walkth...1.1k downloadsupdated 4 y ago
• SSpread Removerby KolibriOS forth cpu greenarrayRemoves all spread on the Pistol, Assault Rifle/Tommygun, Minigun, And Sniper Rifle1.1k downloadsupdated 6 y ago
• AAlternate Way - Mystical Place 3 (DLC) / Part 1by 76561199040911078About An alternate universe in which you slightly changed your path to France. Will this path be shorter? Or will you have to stray longer than in the original? Find out after passing. Thanks to everyone who waited, who supported my projects with points, nice comments, and especially video walkth...1.1k downloadsupdated 4 y ago
• EExtended FOV for weapons + gadgetsby 76561198879145591The simplest mod that just makes a big fov for guns and gadgets1.0k downloadsupdated 3 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...982 downloadsupdated 10 mo ago
• RRooseHUDby RoosevOverhauls the colour scheme of the in-game interface to fit SS4 more thematically (from the boring white), updates all in-game fonts and subtitles to be more readable, incorporates a few HUD placement fixes, updated Netricsa among other features! Features: - Updated weapon, gadget, ammo and misce...966 downloadsupdated 1 mo ago
• MMeatball Massacre (Survival)by SkorlyMassacre the meatballs, or the meatballs will massacre you... Meatball Massacre is a Survival map, with a twist. You'll get only one weapon. Lucky for you that you get the Chainsaw Launcher, the most overpowered weapon in the game. Unfortunately the weapon is often quite... inconvenient to use in...908 downloadsupdated 6 y ago
• AArcade Mode (SS4)by Aureate EternalFrom the creator of Serious Sam Fusion's Arcade Mode, comes Arcade Mode for Serious Sam 4! Did ya really think I wouldn't do this myself once more? What you get Arcade mode is as it sounds. You start with 3 extra lives in your inventory and can collect more as you go (If the campaign you're playi...892 downloadsupdated 6 y ago
• AAssault On The Fortress (Old Version)by Neiser!!!! IMPORTANT !!!! I made a remastered version, it's on the workshop. This version is irrelevant unless you enjoyed this version better; I don't know why you would but still ¯\_(ツ)_/¯ Link to Remastered Story Mental has been developing new dangerous technologies in a remote place called "The For...888 downloadsupdated 5 y ago
• SSoulless Sam 4 - Sam without sunglassesby 76561198374537507Self explanatory, removes Sam's shades from the base Sam model. Affects singleplayer cutscenes, too!821 downloadsupdated 6 y ago
• CCroteam Survival 4 Maps Portby 76561199068533130After a long period of stagnation, I decided to transfer 4 croteam survival maps from Serious Sam HD In a slightly fresh form. Yes, there are only 4 pieces here: - Death From Above - Kleer Base - Bend On Sand - Ice lander. The balance of the cards that I ported remained the same, except for the a...798 downloadsupdated 15 mo ago
• CCINEMATIC MUSIC mod [~Part 1~]by Mr.OgurchickT_TThis mod adds music to all cutscenes where there was none, and changes it at few. Samson (Metal Tales guy): Have yall ever had a feelin' like cutscenes in SS4 feel kinda empty? Ye get ur butt back to SS2, where every scene had it's own music and realize why there was that empty feeling in SS4. I...796 downloadsupdated 5 y ago
• CCINEMATIC MUSIC mod [~Part 2~]by Mr.OgurchickT_TThis mod adds music to all cutscenes where there was none, and changes it at few. Samson (Metal Tales guy): Have yall ever had a feelin' like cutscenes in SS4 feel kinda empty? Ye get ur butt back to SS2, where every scene had it's own music and realize why there was that empty feeling in SS4. I...789 downloadsupdated 5 y ago
• SSiberian Mayhem Skill Tree In SS4by The Eternal CrusaderThis mod adds Siberian Mayhem skill tree into SS4752 downloadsupdated 4 y ago
• DDEATH FROM CRINGE / Custom ReTraMade campaignby 76561198882711238Here is the first level I modified. A bit of crazy, half quite a good remake. The cut scenes have also been updated. So that the passage does not cause difficulties, carefully explore EVERY corner of the map. Enjoy. The signs will tell you.... (But think for yourself, too) Hotfix № 1 - Scrapjack,...739 downloadsupdated 6 y ago
• TThe Package (Oil Rig) - Remasteredby 51umutThe Package (Oil Rig) - Remastered I used the editor for the first time and decided to do a stupid remaster of Oil Rig. !Danger! If you have the problem that the map is not activated for you, you have to play the single player campaign beforehand, otherwise you can activate the map via the consol...714 downloadsupdated 5 y ago
• EEanya Tonicby ArtEM-41P.S. I will be very glad to receive detailed reviews about the map. This is especially true of the arena on a bike and long trips to ATV. References: Story: System: Eanya Planet: Eanya 2c Location: Eanya Tonic Eanya 2c is an atmospheric satellite of Eanya 2. It is the birthplace of Leviathans. Th...694 downloadsupdated 4 y ago
• NNeco-Arc Playermodel(s)by ラミDo not ask 'Why was this made?', ask 'Why was not this made earlier?'. Funniest cat and best anime character ever now in Sam, just like it should've been from the start. I have nothing witty to add, so let's overview what's inside: - TWO models for the price of ONE (Crusty old Necoarc model that...672 downloadsupdated 4 y ago
• SSimpleby PikaCommandoAn uninspired remake of a level from some crappy old game no one cares about. Credits Original design by id Software Shawn's Got The Shotgun cover by Andrew Hulshult670 downloadsupdated 5 y ago
• TTerrain Trees Removerby AsdolgIt is only recommended to use this mod if you have ultralow-end PC and cannot play Serious Sam 4 with more than 10 FPS even on lowest settings. The mod modifies terrain forest parameters for all levels, removing terrain trees. This reduces amount of geometry to be rendered each frame (even though...652 downloadsupdated 6 y ago
• [[IKMMJ2025] City of the Godsby LisSenMap is a member of INTERRABBITAL KHRETH MAYAN MAPPING JAM 2025! It looks cool, but this sh*t lasts 15 minutes and has bugs that I'll fix soon. Good Luck! :)640 downloadsupdated 17 mo ago
• NNo Fall Damageby 76561198879145591Description of this mod: This is a small mod that will allow you to perform bunny hop from the slopes of the mountains of magnificent France without fear of death from landing on the ground from a great height.622 downloadsupdated 4 y ago
• EEgypt Adventuresby 76561199446449493EGYPT! AGAIN EGYPT?!! Seriously serious egypt comeback! Lore:Mental has awakened one of the sleeping volacones in the Egypt. Your mission is to find water element and prevent Egypt from being destroyed by lava. Huge thanks to Fakost for helping me with editor All credits are in the game P.S If yo...615 downloadsupdated 11 mo ago
• DDumbcat Kamikazeby ラミHow dare she slap? HOW DARE SHE SLAP? Except Kyaru is the one about to get bonked. Hard. How are ya, fellow Priconne Global players? Feeling good? Well Karyl certainly doesn't. We have to put her down. Bring the tranquilizers. This mod by request replaces Beheaded Kamikazes with Kyaru, complete w...573 downloadsupdated 4 y ago
• XXmas Spiritsby Zero MadManXmas is Here! Get ready this is will get serious! Defeat Spirits of the Past to celebrate New Year! Face enemies what you never face before. --------------------------------How i ended up here/Как я до этого дошел---------------------------- While working on Serious 3 mod i decided to celebrate N...566 downloadsupdated 4 y ago
• AAnime 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...555 downloadsupdated 10 mo ago
• [[SV] Dessertedby Samg1nA port, or a "SS4 remaster" of the original Deserted map from SS3 Fusion. (Typo DesSerted is intended) Proper crumbs and destruction, near zero changes to the gameplay.551 downloadsupdated 5 y ago
• SSeriously Stupid Modified Enemies (Replacement Pack)by Seriously StupidReplacement version of the Resource Pack, details of which can be found here: This mod replaces puppet and behavior files, otherwise, it uses the same files found in the resource pack. Also includes the updated Grenadiers if any custom maps are using them. Special thanks to: - Danny S - scripting...530 downloadsupdated 5 y ago
• TTwin Maids Playermodels (Chinese Dress)by ラミWhat if Re;Zero had better fashion sense? They'd probably wear something better than chinchong prints, but what do i know? Im just here to keep wifus on life support. So, these are the models of Rem and Ram from some chinese mobile gacha game i couldn't find, rigged for MMD by a Hazmat Area B use...528 downloadsupdated 4 y ago
• SSS4:Operation TimeBreakby 76561199192948673NOW COOP UPDATE!!! ENG: SERIOUS SAM: TIMEBREAK "Sometimes to save the future… you have to destroy the past." A journey through broken time awaits you: • The beginning is in the ruins of ancient Rome • Sudden teleports to the desert and other eras • Time instability constantly changes locations •...516 downloadsupdated 15 mo ago
• OOverly cinematic Breakfast in France opening cutsceneby 76561198361343589Kemény! Different camera angles for a few shots and new sexy lighting.498 downloadsupdated 3 y ago
• WWario Playermodelby ラミSo ein mist! (Don't worry Wario, happens to the best of us) Of course i had to port this one aswell, after Gnaar replacement it was only natural. Wario has now joined your Mayro Party, and is ready to Shake It! with the alien intruders in the Serious Sam Land 4 (just don't tell him there's no gar...497 downloadsupdated 4 y ago
• UUniverse That Never Existed [SP, COOP CAMPAIGN]by DizellfestTry not to trip {PROJECT UNIVERSE} A psychedelic journey with no purpose. Just developer testing it's abilities to create something deeply colored, as well as checking how lightmaps work without terrain on Serious Sam 4's Engine. [GAMEPLAY} Linear style, there are no main characters in this world...488 downloadsupdated 2 y ago
• DDead Eddy's Squad: Revisioned [Custom Story Campaign]by DizellfestEddy and his squad showing no mercy to those who oppose them. Tasked to bring the Leviathan (Mental's Harvester Ship) to Zone 6 Facility for researching purposes. Things don't go as planned. Although the squad is ready for anything. While rest the story will be told on how their destinies will sh...480 downloadsupdated 3 y ago
• CCombo System (Script)by NekorieAbout A script adding Next Encounter style combos and multikills (like in XBOX). Features Can be used in either simple or advanced (default) mode. Simple mode only shows current combo and multikills (optionally). Advanced mode has several differences: - Killing Spree mode is activated when reachi...480 downloadsupdated 16 mo ago
• DDark Side Of Persian Mechanism: Revisioned - Campaignby DizellfestYou are the creation of time. FEATURES 6 Levels (Level 1 is an Intro) AI PNA Support (Requires Project Never Alone in order to play with AI Bots) Custom Soundtrack Nostalgic TSE's Persia Theme Unique Boss Battle (The Mechanism Itself) INFORMATION Difficulty: Hard (May be Mediocre for seasoned pla...477 downloadsupdated 6 mo ago
• TTwin Maids Playermodels (SS4)by ラミKeeping 3D waifus alive. This is it. Everything so far led to this. Twin demon maids from Re;Zero are finally ported to Serious Sam 4 after much, MUCH pain and suffering and white hair on my arse due to SSED crashing every time it tried to save imported mesh. Thankfully, our boy Vanya saved me th...465 downloadsupdated 4 y ago
• HHalo 5-Master Chief Player Modelby 76561198799338803“Blue Team, report. ...Sierra 117 to Blue Team, report. ...Sierra 117. Does anyone copy?” Fusion version SM version451 downloadsupdated 17 mo ago
• SSerenity Oasis (April Fools Map)by NeiserLocation: Campaign / Serious Sam 4 (Other) / "Serenity Oasis" Description This map was made for April Fools and to test the floating outlined pickups. It's just a nice set of rooms with no enemies. The artstyle was inspired by the water levels of the backrooms. Now that April Fools is over this m...447 downloadsupdated 3 y ago
• PProject Better Performance Serious Sam 4by Mike UchihaMod Make Performance are much better Fixed missing wall and desing is change it Fixed Aliens Go Camping and level desing Fixed Hole 09_Cathedral.wld Boss are More Experience Double shotgun have 200 ammo max like Classic SS Uninstall this before play ! Fight With Lord Achriman Are More Serious Pat...437 downloadsupdated 1 mo ago
• RRicardo Playermodelby ラミI swear, Blender screws up finger maps on purpose. Gachiparty continues. This time, Ricardo ready to mesmerize everyone watching him dance under lead shower from every direction available. Includes: - First person hands; - Team colors; - 4 variations. Issues: - No custom sounds (he never speaks,...416 downloadsupdated 4 y ago
• BBilly 'Aniki' Herrington Playermodelby ラミYou got me mad now. Kept you waiting, huh? I've finally got to port stuff in SS4. As the title says, this is Aniki's playermodel, with pretty much every feature no matter how useless included. Such as: - Team colors (even though VS modes were removed); - First-person hands; - Custom sounds; - Chr...415 downloadsupdated 4 y ago
• SSS4: TimeBreak: Ancient Eraby 76561199192948673ENG: SS4: TimeBreak: Ancient Era After the end of the first map (TimeBreak), a helicopter arrived and evacuated Sam. His destination was the city where a hidden portal leads directly into Mental’s laboratory. However, on the way there, the helicopter was struck by a powerful blast wave. The pilot...404 downloadsupdated 15 mo ago
• PProjectile Aim Bug - Patchby NeiserSS4 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. Shoot at will.400 downloadsupdated 11 mo ago

166 single player 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.