Mods / Cooperative

• CChainsaw "Strapper"by Ar2R-devil-PiNKyLight and handy chainsaw created for killing enemies, but not cutting trees. Model replaces a Sledgehammer and Axe. What's new: - Model - Sounds - Icon - Netricsa message Locales: -Eng -Rus17.9k downloadsupdated 13 y ago
• Nnew Arachoidsby NHunterA pack with three new arachnoids: 1. Laser Arachnoid: pretty much the same with CT's soldier arachnoid, but fires lasers and has greater attack range. These arachnoids are good harrassers and cause Sam quite a lot of troubles from their percehs on rooftops and tops of the pillars. Though, don't t...17.6k downloadsupdated 14 y ago
• SSpider Adult Antaresian Resourceby [-:-]HarbingerYou've seen the Hatchling,You've seen the Juvenile,but have you ever wondered, what would the Adult be like? With this new resource you can see what it does and how tough it is but watch out it can shoot acid balls up to 4 times rapidly. Credits:Bio for working on this enemy and me for suggesting it11.2k downloadsupdated 12 y ago
• MM1-A2 Thompson Submachine Gun (Serious Sam HD Tommy Gun)by BiomechanoidLets raise the rhythm! This mod replaces the assault rifle with the tommy gun from SS1/SSHD. Includes custom sounds and netricsa message. Credits: Croteam - For the original model and sounds Noam - For ripping the model11.0k downloadsupdated 12 y ago
• AAncient Khnumby [-:-]HarbingerAwoken from it's deep permafrost slumber, The Ancient Khnum lives to fight another day. The Creature was fom a time where there was much larger Khnums, But due to a Great Ice Age all the larger Khnums was frozen while the present-day Khnums lucked out due to smaller size The Ancient Khnum is the...10.9k downloadsupdated 12 y ago
• AApproaching Hell - part 1by NHuntercustom campaign aiming to be a prequel to SS3:BFE Sam was on the mission to destroy Mental's communication tower in one of the Egyptian cities, but his chopper was shot down. Thankfully, because he didn't wear his seat-belt, Sam survived the crash. But now he is all alone in the enemy-occupied te...9.8k downloadsupdated 14 y ago
• SSF:L Character Pack 4by PanNew character additions for the 4th Character Pack in Serious Fantasy: Legends! Including sounds and team colours. have fun! In order: Jill Valentine*, Cole Phelps*, Cortez, Gaydolf Shitler*, Juri Han*, Spartan* Juri Han Imperial Guard* * denotes custom sounds Note: Gaydolf Shitler has sounds fro...9.6k downloadsupdated 12 y ago
• SSerious Christmas - A Christmas Themed Campaign!by noam 2000Happy Holidays,Serious People! This mappack includes 3 long Christmas themed maps! - Snowy Mountains ( EST- 30:00) - The Gingerbread Caves ( EST - 30:00) - Christmas Town ( EST - 50:00 ) To play it,click the big green "Subscribe" button,and then after it downloaded, Go to "Singleplayer" or "Multi...9.3k downloadsupdated 11 y ago
• TToz 34 Over and Under Shotgunby BatandyModel by Sam61 Replaces the coachgun!9.0k downloadsupdated 13 y ago
• DDesert Eagle sound modby carl johnsonHi. This simple mod changes pistol's sound. Enjoy.8.9k downloadsupdated 13 y ago
• WWinchester Model 1887by BatandyHasta la vista! Features new stats (it's more strong and reloads faster than the pump shotgun, but has only 6 shots) Custom firing sounds (Not in the video, since it's a bit outdated)8.8k downloadsupdated 13 y ago
• EException Beta v.0.95by FinzyTHE FOLLOWING RESOURCES ARE NEEDED FOR THIS TO WORK!: Exception Beta Part 2 (Second part of the mappack, workshop file) Serious Sam 2 Sounds Resource Pack (Extract this .gro file to Content/SeriousSam3. The original SS2 sounds pack is no longer on workshop so you'll have to get it this way.) Misc...8.6k downloadsupdated 13 y ago
• SSerious Sam 3: Extendedby SolaisAttention! You need the Jewel of the Nile DLC to play this mod! Attention! You need the FULL Ultimate Resource Pack (including Devostator's and Nhunter's packs) to play this mod! THE LAVA GOLEM PACK IS A MUST NOW!!! Description: This Extended Project is a serial-kind of project, that will exist f...8.6k downloadsupdated 12 y ago
• OOperation "The Sunrise": Vol. 1 - Part 1by UrbanDeHumanWARNING: BEFORE PLAYING, MAKE SURE YOU'VE DOWNLOADED BOTH PARTS!! After a year of development, first part of the great campaign has finally released! Sam's Sargas V mission has failed, but the Union got him out of this trap. Now Sam got a new mission - to investigate the nature of an anomaly in F...8.5k downloadsupdated 11 y ago
• AApproaching Hell - part 2by NHuntercustom campaign aiming to be a prequel to SS3:BFE Sam was on the mission to destroy Mental's communication tower in one of the Egyptian cities, but his chopper was shot down. Thankfully, because he didn't wear his seat-belt, Sam survived the crash. But now he is all alone in the enemy-occupied te...8.3k downloadsupdated 14 y ago
• DDuke Nukem Super Packby PanWant Duke in Serious Sam? The sound clips just not cutting it for you? Well here for your playing pleasure is Duke Nukem in Serious Sam 3 with all the bells and whistles. This collaborative effort from the community will (hopefully) give you the game for Duke that you've all wanted for so long. T...8.3k downloadsupdated 13 y ago
• OOperation "The Sunrise": Vol. 1 - Part 2by UrbanDeHumanWARNING: BEFORE PLAYING, MAKE SURE YOU'VE DOWNLOADED BOTH PARTS!! After a year of development, first part of the great campaign has finally released! Sam's Sargas V mission has failed, but the Union got him out of this trap. Now Sam got a new mission - to investigate the nature of an anomaly in F...7.7k downloadsupdated 11 y ago
• SSerious Sam 2 Orc Soldiersby [-:-]HarbingerWith this new Resource you can fight the Orcs from SS2 in BFE! To find is simple, either wait for someone to make a map with them, I update Unity with them, or you could take a stab at SED3.5 and learn how to map and make the community maps grow exponentially! :D Credits: Croteam for making them...7.1k downloadsupdated 11 y ago
• IItalian Nightby SolaisItalian Night The fabled city of water, now overrun with Mental's minions. Trying to survive for the night, you secure an area which were completely cut out from the rest of the town, like an island. However, it seems you can't sleep even now... - Description - In this map you find yourself in a...6.8k downloadsupdated 14 y ago
• DDoom 3/Quake 4 Monsters 2 of 2by [-:-]Harbinger6.8k downloadsupdated 10 y ago
• DDoom 3/Quake 4 Monsters 1 of 2by [-:-]HarbingerBy getting permission from Emperor Danny, I have released the Doom 3/Quake 4 Pack for SS3. From EmperorDanny:So my pack is finally released,thanks to harbinger. So this pack still does not include all the quake 4 and doom 3 enemies but it will be updated soon. A lot of enemies can't be killed by...6.7k downloadsupdated 10 y ago
• BBioreptiloid Majorlandersby Macho PastelitoAdds the Bioreptiloid as a custom enemy resource. This abomination comes straight out of Mental's twisted laboratories! This monstrosity combines the body of a Biomechanoid with the magic abilities and anger issues of a Highlander Reptiloid. Why, you may ask? Probably because Mental was bored one...6.0k downloadsupdated 10 y ago
• BBFE Enhanced (Old Version)by BiomechanoidNOTE: If you are looking for the updated version of this mod for Serious Sam Fusion, click here. NOTE#2: Disable or uninstall the Unity mod before playing this as it overwrites some of the scripts in the original BFE campaign that BFE Enhanced shares and it may bug out some parts in Enhanced. BFE...5.8k downloadsupdated 10 y ago
• NNo Reloading modby DUNCAN DONUTSThis mod makes it so that you no longer have to reload the Pistol, Shotgun, Assault Rifle or Devastator.5.5k downloadsupdated 14 y ago
• EException Beta v.0.95 Part 2by FinzyDOWNLOAD THE ORIGINAL EXCEPTION BETA FILE TOO!: Exception Beta v.0.95 + all the required resources in its description. The dream continues in Exception's near final beta release, adding more levels and playtime! Please see the original Exception file's description for more info. Recently updated...5.4k downloadsupdated 12 y ago
• SSam's Adventuresby AdnanBroI finaly made this huge campaign! To play it just hit "SUBSCRIBE" button and play! After one year working! Project Leader: Slayer ---Download sendspace version--- CLICK HERE TO DOWNLOAD SENDSPACE VERSION ---Story--- Here is how Serious Sam returned for missing medallions, he went somewhere to Egy...5.3k downloadsupdated 13 y ago
• CCrazy Serious Sam 3 Modby Neo_miniganA mod for SS3:BFE. Weapons and enemies changed in a way to turn SS3:BFE into pure madness. What's new? Monsters: Rocketman = +15 DMG, +5 HP, +0.025 stretch, new gun, new sound, new skin. Soldier = +14 DMG, +9 HP, new gun, new sound, new skin. Soldier RifleMan = +9 DMG, +9 HP, new gun, new sound,...5.2k downloadsupdated 14 y ago
• SSurvival in duneby LurnationYou flew in a helicopter with one person. Then suddenly start some trouble and you both fell in a helicopter. And as always survived only Sam.5.0k downloadsupdated 14 y ago
• PPortal Gun (Rocket Launcher Replacement)by BiomechanoidThis mod replaces the Rocket Launcher with the Portal Gun from the Portal games. Sadly, this portal gun doesn't fire portals; however, it fires blue plasma balls instead of rockets. The plasma balls have the exact same stats as the rockets did so it should be balanced for all game modes. Anyway,...5.0k downloadsupdated 13 y ago
• SSerious Box Solidby FinzySerious Box Solid v.5.1 (Requires Jewel of the Nile DLC!). Get Part 2 of the mod here!!: Get Part 3 of the mod here!!: Get Part 4 of the mod here!!: Get Part 5 of the mod here!!: (These add even more content, fixes and weapons, now required!!) Wanna play this mod in the standard SS3 campaign? Che...4.9k downloadsupdated 10 y ago
• BBattlefield game modby Mr.WuebecBATTLEFIELD, a new survival game mod How many waves of enemies can you defeat? Alone or with your friends, buy your favorite weapons, equipments, supports and more to resist the assaults of Mental. - Play alone or with your friends - Kill enemies and complete instant achivements to win money - Sp...4.8k downloadsupdated 13 y ago
• KKarnak Alleyby NHunterKarnak Alley Sam almost reached Luxor in his quest to power up the timelock, but much to his dismay, the gates, the only access to the second generator's area, wouldn't open. And then there is a sandstorm! Mental chose the worst time to send his troops after him. This is a survival map set in a s...4.8k downloadsupdated 14 y ago
• LLeft Behindby RoosevSam has been Left Behind. After catching a breather from his long journey, Sam started to think up another plan in his mind. However, this was cut short as out in the distance Sam could just barely make out Mental's horde slowly catching up to him. With his vehicle out of gas and surrounded by we...4.8k downloadsupdated 12 y ago
• WWheatley (C4 Replacement)!by VanyarinWheatley decides to explode for the side of the good! If you're bored of the default C4 and would like to have something else, and something shinier, try out the Wheatley C4 replacement! This mod makes it so that everything related to the C4 is/looks like Wheatley, the robot from Portal games! Th...4.7k downloadsupdated 14 y ago
• QQuake 1 Enemy Resourcesby [-:-]HarbingerYes its true, these are actual Quake 1 Enemy Resources, ported to Serious Sam 3, originally it was to be Serious Sam HD but SED3 lacks Morph Maps, so here it is. Around 11 Enemies from the Original Quake all for your playing pleasure. Credits: PikaCommando for testing Devostator,Noam 2000 for the...4.7k downloadsupdated 10 y ago
• BBadmoon Bogby FinzySeeking shelter from the approaching darkness and the monsters lurking in the wilderness, you have arrived at a desolate cabin in the middle of a water-filled bog. Not everything is at it seems however, as you will soon want to get out of the swamps as soon as possible...welcome to Badmoon Bog, w...4.5k downloadsupdated 13 y ago
• CClassic-Style Sniper Rifleby BiomechanoidThis mod replaces those boring black textures on the sniper rifle with SS1-styled sniper rifle textures.4.5k downloadsupdated 14 y ago
• GGlade of Dreamsby FinzyBEFORE SUBSCRIBING, DOWNLOAD THE FOLLOWING RESOURCES (they are required for the map to work!): Glade of Dreams Textures Mischievous's NPCs NOTE: Requires Jewel of the Nile DLC! =============================================== Glade of Dreams is a unique singleplayer/co-op campaign map featuring "A...4.4k downloadsupdated 14 y ago
• CClassic Double Barrel Shotgun Modby BiomechanoidThis mod brings back the memorable silver double barrel shotgun we loved back in SS1. Includes classic sounds. Credits: - Croteam for the model and sounds4.3k downloadsupdated 14 y ago
• SSerious Box Solid Part 2by FinzyPart 2 file of the mod, used to add additional content and fixes. Download the main mod too!: And Part 3: Getting all parts is now *required* so that the mod is entirely up to date. We had to split the mod into several parts due to filesize constraints. Changes: V. 5.0: - Updated with miscellaneo...4.3k downloadsupdated 10 y ago
• MM29 SCAR-H Sound modby carl johnsonWelcome! This mod will change your M29 sound for SCAR-H sound from Battlefield 3! Enjoy!4.2k downloadsupdated 13 y ago
• MMR96 Revolverby Batandy*Video slightly outdated, the new one does not eject bullets like the regular pistol* MR96 Revolver mod, replaces the default pistol, and features new stats: It can only fire 6 shots, but it's a bit more accurate and deals more damage Features custom animations! Original model by G1337 and raynox...4.2k downloadsupdated 13 y ago
• SSerious Sam HD-style Glovesby VanyarinWant to have a classier feeling in your Serious Sam? Sounds are not enough for you? Well here's your chance to change that! This mod makes it so that those gloves you use will look like the ones you use in SSHD! So, you want to try it? Just click in SUBSCRIBE, and let it download. And the most im...4.2k downloadsupdated 14 y ago
• CClassic Grand Cathedral Survivalby Rabbit.eclThe title explains itself pretty well. Yup this is the last scene of Grand Cathedral now in Survival form for Serious Sam 3. All textures models, CSG and whatnot are here and they're more classic than ever! Features: -The ammo crates have been replaced with some custom ones with the C4 crate bein...4.1k downloadsupdated 11 y ago
• MMental Institution - SS2 Map Remakeby noam 2000Recreation of the final level in Serious Sam 2 for Serious Sam 3 - Mental Institution. To play, simply press the big green "Subscribe" button, and let the game download the map. You will also need the SS2 enemy resource pack.4.0k downloadsupdated 10 y ago
• SSaving Private Peskoby MarkoJHello everyone and welcome. I would like to present my campaign "Saving Private Pesko". Feel free to comment. Any feedback is appreciated. =About= Saving Pvt. Pesko (SSP) is a SinglePlayer/Co-Op four level campaign with a simple storyline. The available Co-Op modes are Coin Co-Op, Standard Co-Op...3.9k downloadsupdated 12 y ago
• AA.W.P. Sniper Rifleby VanyarinArctic Warfare Police Sniper Rifle from Counter-Strike: Global Offensive in Serious Sam! This Sniper will replace the default gray/black sniper and comes with custom firing sounds! All credits for the model and sounds go to Valve and Counter-Strike3.9k downloadsupdated 13 y ago
• [[Single/Coop] Sand Spartaby Double_AgentУстали от постоянных бродилок по Египту? Надоело набивать морды монстрам среди храмов и пирамид? Представляю вам очень большую кооператив-карту на час геймплея в греческом стиле! Захватывающие баталии, 4 серьезных босса, интересные секреты и атмосферные пейзажи - все это вас ждет на этой карте! В...3.7k downloadsupdated 12 y ago

298 cooperative 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.