Mods / Total Conversion

• RREBORNby FakostSaving humankind from an alien invasion is a common thing for our hero. Wounded countless times but never defeated, he surely knows how to deal with bastards from outer space. But this time, someone different will stand in his way, someone as powerful as the most serious man on Earth himself... W...12.3k downloadsupdated 12 mo ago
• 77Smoke Racingby Pan7Smoke Racing is a feature complete racing mod for Serious Sam 4! Race in a variety of tracks over several Grand Prix Cups in competitive or time trial modes or hunt for treasure in the completely new versus mode - Gold Rush! Download it now from the Serious Sam 4 workshop! (You will need to rest...2.6k downloadsupdated 5 y ago
• AA Seriously Stupid Planet Badass Remaster (Part 2)by Seriously StupidSecond part of files necessary for ASSPBR. Download the first part here:2.4k 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
• 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
• SSerious Sam 2018 Model (Remake) Replacementby M1L1taristReplaces current Sam's model with the model shown in the teaser of 2018 year. Thanks to nonamewtff. Tawer's Team for providing the model. And Nigmas for finding textures.388 downloadsupdated 4 y 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
• 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
• 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
• 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
• 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
• 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
• 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
• 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
• 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
• 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
• 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
• 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
• SSS4 Trap Music Mod ~ When the DROP hits HARDby IAmSympathyThis mod transforms every music from the base game into trap music Now it may sound like a shit idea at first, but it sounds really good trust me. You can hear parts of it in the example videos above. -Main menu wasn't changed since it did not sound good Dubstep version coming soon... --Credits--...214 downloadsupdated 5 y ago
• BBack to the Classic Coop Modeby Riba4ok13This modification replaces all skillpoints with the "Heart" gadget, which in turn is extra life in co-op. It also replaces all gadgets for armor and health. Heart gadgets are added in some places. On some bosses added backpacks with ammo, so that you do not have to shoot at them with weak weapons...110 downloadsupdated 2 y ago
• SSerious Sam 4 - Bulgarian Language Packby Kuha LeikaSerious Sam 4 BulgarianLanguage Pack This mod provides a full Bulgarian translation for Serious Sam 4, covering all in-game menus, HUD elements, and subtitles. The goal is to offer Bulgarian-speaking players a more accessible and immersive gameplay experience. Please note: Some interface and sett...15 downloadsupdated 15 mo ago

32 total conversion 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.