Mods / Single player

• WWay to the templeby 76561199446449493EDF is sending Sam back to Feudal China, because strange signals are coming from the Lightning Temple. What could it be...? All credits are in the game396 downloadsupdated 3 mo ago
• GGirls' Frontline Sangvis Ferri Enemy Replacementsby ラミAgent, sit on me please. After playing through MW2 (2009) and BO1 with GFL mods installed, i had an idea - "What if i do something similar but for Sam?". Instead of contacting anyone involved on those like any sensible human being would to ask for pointers, i decided that i can do it all by mysel...393 downloadsupdated 4 y ago
• SSS4:GalaxyRoyalby 76561199192948673ENG: Serious Sam: Galaxy Royale it's fun made mup, with hard gameplay but i think he's fun. In this mup you will explore the parallel universe and destroy ord of MENTAL in Earth. You must be destroy all the aliens. After you were landed on an island controlled by monsters, you started to advance...391 downloadsupdated 19 mo ago
• RRWBY Playermodels (MMD/SS4)by ラミRooster Teeth might be dead in the water, but wifu... wifu will live on forever. Another tradition of mine, porting RWBY team into Sam. And this time, they wont have detached arms from the shoulders, i promise. Or you could say, they won't be so disarmed no more. The obvious things: - Team colors...384 downloadsupdated 4 y ago
• EExtended Magazine Upgrade For Pistol [Resource]by 76561198956493704This is a cut Pistol upgrade. Which I decided to restore. THIS IS NOT A REPLACEMENT BUT A RESOURCE. Includes: -Netricsa Message -Both versions for pickup in a case and just an item -10 times more bullets Also this RESOURCE modifies original pistol models and animations. And ONLY models and animat...377 downloadsupdated 23 mo ago
• MMighty Samusby 76561198956493704Briefly Sam returned from the gym pumped up. Mod includes Sam, Future Sam with the beard and Mental Mate. BFE Sunglasses version -371 downloadsupdated 3 y ago
• RRealColdMapby 76561199192948673______________________________________________________________________________________________ ENG: On this map, you will visit an abandoned research base in Antarctica. How did Sam end up there?? Nobody knows. there are rumors that after he was in the bar, someone moved him to Antarctica. Howeve...366 downloadsupdated 2 y ago
• AA Mountain Trip (Full campaign)by id.dav81It's now time to take a trip to mountains. Sam is tasked to clear the surroundings of important highway by starting in countryside area and moving deeper into mountains. This 3 chapter campaign is kind of reimagining/continuation of France episode, but this time we reach mountains that was seen f...361 downloadsupdated 9 mo ago
• TTrueno 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...349 downloadsupdated 2 y ago
• NNuke Minigun [Resource]by new sourceCombination of Minigun and Nuke,extremely powerful Primary Attack:Super Minigun,fires 10 pellets once,each pellet is 75 damage,means one shot has 75x10=750 damage,and fire rate is 2400rpm! This means,it has 30000 damage per second!!!!!(almost 150 times than original minigun) use it to sweep all t...335 downloadsupdated 5 mo ago
• OOBO: Optional Weapon Rendering modby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...323 downloadsupdated 5 y ago
• MMorituri Te Salutant Without Hazeby SpaghettacusSame level, 100% less fog.323 downloadsupdated 6 y ago
• OOBO: Assault Rifle rebalanceby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...318 downloadsupdated 5 y ago
• SSeriously Difficult Enemiesby KolibriOS forth cpu greenarrayMakes the enemies more difficult for people who find serious too easy Recommended to be played with Saint's Bull$h!# mod for maximum difficulty Changes: Beheaded Rocketeers melee now hits for 20 damage and their rockets always home in Beheaded Bombers always throw 3 bombs and their melee hits for...318 downloadsupdated 6 y ago
• RReborn Weapons Enhanced 武器强化by new sourceExtremely powerful than original weapons in Reborn，replaced original weapons Revolver：Kill all the enemies in the map，just like enhanced version of serious bomb Winchester：Damage increased to 525（75x7），no need to reload Uzi：Damage increased to 75，fire rate increased to 1200rpm，no need to reload A...318 downloadsupdated 12 mo ago
• OOBO: Minigun rebalanceby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...317 downloadsupdated 5 y ago
• [[IKSMJ2025] Beachby 76561199192948673This map was made for . SERIOUS SAM 4: IKSMJ2025 Beach by: Wolfen325 Playtime: 08:00 minutes -------------------------------------------------------------------------------------------------------------------------------------------------------------- ENG: On this small map you see a small forest...307 downloadsupdated 11 mo ago
• OOBO: Single & Double Shotgun rebalanceby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...306 downloadsupdated 5 y ago
• HHalo 5-Edward Buck Player Modelby Shockwave“I figure if God can hear how scared I am, so can everyone else. Locke, you buying the first drink when we're done?”304 downloadsupdated 17 mo ago
• OOBO: Pistol rebalanceby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...295 downloadsupdated 5 y ago
• SSerious Sam 4 Synthless War!by KolibriOS forth cpu greenarrayRemoves the Synth in the WAR! tracks and restores them to their pre christmas mix state Also adds Iudex's hero too cover for legion system fight292 downloadsupdated 6 y ago
• CCave Dwellers [IKSMJ2025]by ArtEM-41(no description)279 downloadsupdated 11 mo ago
• XXmas Spirits 24by Zero MadManXmas is Here! Get ready, this is will get even more serious! Old foes returns,but this time with backup. Defeat them to celebrate New Year! --------------------------------How i ended up here/Как я до этого дошел---------------------------- So another year has passed... My skills in the editor ha...274 downloadsupdated 3 y ago
• OOBO: Sniper Rifle rebalanceby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...270 downloadsupdated 5 y ago
• OOBO: Knife rebalanceby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...270 downloadsupdated 5 y ago
• OOBO: Items minimodby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...265 downloadsupdated 5 y ago
• DDonkey Kong Female Gnaar Replacementby ラミDonkey Kong Returns.. and dies. Truly a modern Shakespearean story. Obviosly i could've made an Expand Dong joke here, but that is such a low hanging coconut that the mere thought of doing that is just bananas to m- ok i'll stop This is DK, you know him well, and you know his smell; He's finally...265 downloadsupdated 4 y ago
• OOBO: Rocket Launcher rebalanceby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...264 downloadsupdated 5 y ago
• OOBO: Enemies Part 1, rebalanceby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...263 downloadsupdated 5 y ago
• OOBO: C-4 Sticky Bomb rebalanceby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...261 downloadsupdated 5 y ago
• OOBO: Enemies Part 2, collisions/weakspotsby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...258 downloadsupdated 5 y ago
• OOBO: Mech rebalanceby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...255 downloadsupdated 5 y ago
• OOBO: Autoshotgun rebalanceby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...254 downloadsupdated 5 y ago
• PProject Never Alone: SS4 (AI COOP BOT IMPROVEMENTS - REPLACEMENT)by DizellfestA Modification that Replaces AI Coop Bots that are spawned via Cheats MAIN FEATURES - Bots lead the way - Bots only depend on themselves and player in case the player lags behind - Full Multiplayer Coop support with up to 4 Players and 8 to 12 Bots - Bots trigger Detectors as well as progress way...251 downloadsupdated 19 mo ago
• OOBO: Laser Gun rebalanceby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...250 downloadsupdated 5 y ago
• AAuto Nuke Cannon [Resource]by new sourcefire mini nuclear warhead in 600rpm，which can kill all non-boss enemies in the whole map extremely powerful，only for players who want to continue wipe out enemies Upgrade：Super Death Ray，far more powerful than original version，250 damage，100 shots per second，can headshot，damage range increased to...249 downloadsupdated 3 y ago
• OOBO: SBC Cannon rebalanceby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...248 downloadsupdated 5 y ago
• OOBO: Devastator rebalanceby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...247 downloadsupdated 5 y ago
• OOBO: Player Skills (Perks)by LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...242 downloadsupdated 5 y ago
• IIncreased Player Jump Heightby 76561198799338803Increases the player's jump height. Makes obtaining some of those difficult secrets much easier! However, be careful of the higher risk of fall damage. Inspired by Artificial's Super Sam mod for SS3 and Fusion but with the increased movement speed removed. WARNING: Incompatible with any mods that...242 downloadsupdated 3 y ago
• OOBO: Grenade Launcher rebalanceby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...238 downloadsupdated 5 y ago
• OOBO: Player minimodby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...238 downloadsupdated 5 y ago
• OOilRig Overhaulby 76561199441313918Тотальное переосмысление уровня "Доставка", здесь вас ждет хардкорный, мясной и самое главное веселый геймплей. Перебалансированное оружие: миниган, автомат при двойном ведении стреляют гораздо точнее, у снайперки нет разброса, двустволка стреляет кучнее и чуть быстрее перезаряжается, очень быстр...235 downloadsupdated 16 mo ago
• OOBO: FRPCL Saw Launcher rebalance WIPby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...232 downloadsupdated 5 y ago
• TTank Crash Tunguskaby 76561199089588534Now drive a tank and crash Mental's Horde in Tunguska! There are several tanks along the road, so no need to worry about being destroyed.232 downloadsupdated 3 y ago
• OOBO: GlobalGameParameters minimodby LankyBookWelcome to OBO, the Overall Balance Overhaul, pronounced "oboe" (yes, like the instrument). OBO is itself split up into many smaller mods to make finding, using, mixing and matching easier for users, and to make updating them easier on my end. Please read the main collection page for more info, a...226 downloadsupdated 5 y ago
• DDanny 'Kazuya' Lee Playermodelby ラミWhat do you got for me now? Well, i personally got the second port, Kazuya-san, delivered. Now Aniki doesn't have to spar only with Khnums. Includes: - Team colors; - First-person hands; - Custom sounds (more than Fusion version). Since this model was based off Billy, there's bound to be issues b...224 downloadsupdated 4 y ago
• SSelo Rachkiby 76561199785636220ENG: After porting the model, I decided to make a map! This is my first map ever. There are some flaws and rough edges. Also, the balance might not be perfect in some places, but I scattered gadgets around the level to balance out the battles. The level is a semi‑open location. If you collect all...222 downloadsupdated 6 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.