Mods / Single player

• EEnemy Randomizerby Mr.WuebecThis mod randomly replaces the enemies you encounter in any map (works with SSHD:TFE, SSHD:TSE and SS3:BFE) Moreover, enemies can be randomly replaced by enemies from various resources packs made by the community (see below for the list of compatible resource packs) The goal of this mod is to off...1.7k downloadsupdated 6 y ago
• ((SP/COOP) City of Gagaby Mordecai and the KobokerzSam already has 2 elements: Earth and Air. and now hes going back to Egypt yet again to get a Fire element which is in The Golden Pyramid on City of Gaga which is protected by ancient guardian so Sam needs to defeat the ancient guardian to get the Fire element then he will need to get Water eleme...1.7k downloadsupdated 7 y ago
• SSollicitiby NekorieIt's not a classic Serious Sam level Yeah, I just wanted to make a "P.T.-like" level. Oh, and it has a secret ending. Have fun playing this weird level!1.7k downloadsupdated 8 y ago
• [[XMAS] Corridor Of Deathby Spy's Cr3edCorridor Of Death it's remake varaint of standard TSE Corridor Of Death including some improvements and snow design. Also, i know you might see a crumbs in unnecessary places but for some reason i can't get rid of them. .:Features:. - Free Festivized Cannon - Most of the enemies have their own Fe...1.7k downloadsupdated 7 y ago
• AAhead of Speed: The Lost Castleby Cyborg.SeriousSiteAfter Sunny Steppes Sam find yourself in a castle... In The Lost Castle So, you need just get way out from it and find another teleport Have fun playtime! This map is a part of "Ahead of Speed" series, meaning that this map has been made in small time. It was additional challenge. I must create r...1.7k downloadsupdated 7 y ago
• SSingleplayer - Arcade Modeby Aureate EternalSingleplayer Campaign Mode with 3 Extra Lives, 10 Second Spawn Protection, and Multiplayer Models. This mod was intended for people who don't always have an internet connection, looking for an more Arcade-y experience, or want to use their multiplayer models in Singleplayer. Learn how to enable t...1.7k downloadsupdated 8 y ago
• BBetter TFE/TSE Movementby ArtificialI might get crucified for this but TFE/TSE's slow as **** base movement speed has always irked me although I didn't think about it for a long time. But after thinking about how fun my movement enhancement mod for BFE was, I decided TFE/TSE might be really awesome with a bit of the same treatment....1.7k downloadsupdated 9 y ago
• FFrigid Landsby [-:-]HarbingerWelcome Back to another of my SP/Coop Maps, fight your way across a Snowy village/mountain range until you plunge to the deep depths and face an Old Foe that will feel New at the same time. Make sure to sub to Ooze Gun and Eraser Gun1.7k downloadsupdated 8 y ago
• PProjectile Aim Bug - Patchby NeiserFusion 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. There are still some edge cases this script can't handle. Does not work in custom .gtitles...1.6k downloadsupdated 25 d ago
• GGrasslandsby [-:-]HarbingerAnother one of my SP/Coop Maps, while hopefully less buggy, I hope it will be alot of fun for you folks to play through.1.6k downloadsupdated 10 y ago
• TTemple of Gothsiaby Mordecai and the KobokerzHi guys, this is my third port to Fusion, Persian Massacre, now renamed Temple of Gothsia NOW IT WORKS, ITS FIXED This version has got a mini rework - Added Details - Replaced RL with Minigun - Added BackGround models - Removed some long and tedious fights - Done a Translation to messages - Some...1.6k downloadsupdated 7 y ago
• RRandomness 1 Enemies Packby AndreikiIf you wish to commission a mod to your liking, send an invite to friends list and well discuss it (REQUESTS ARE NOT FREE) (RUS) Пак монстров с карты на Serious Sam Revolution (Randomness) Список монстров из пака: 1:Mini Rocketman 2:Mini Walker Blue 3:Mini Walker Red 4:Medium Cucurbito 5:Mega Ele...1.6k downloadsupdated 9 y ago
• TTSE Egypt Variations Zalupka HD Remastered Part Iby 76561199068533130Наконец то! Спустя целое столетие, вышел псевдо ремастеред на Богом забытым Египетские вариации от Уничтожителя Work Шопа Serious Sam своим безумием. Его никто никогда не хотел и не ждал, ну и слава Богу! - Все уровни были переверчены и перекручены, было исправлено тонны багов и ошибок. - Модели...1.6k downloadsupdated 1 mo ago
• AAnother Adventureby 76561199040911078Read this! Finally i released my new map pack "Another Adventure". I'm so glad to see how you supported me when i released my first map "Somewhere in Egypt". I know, you waited 6 months to next map pack, but i'm hope that this can surprise you. Prehistory! When Sam killed Ugh-Zan IV he jumped int...1.6k downloadsupdated 6 y ago
• SSerious Sam 3 - Restoration Fusion Remasterby [-:-]HarbingerIt is now avaliable for playing! Go through the three levels of the old Restoration levels I made for BFE but find that they are much harder than before, with new enemy placements and a new boss replacing an old one. There is now a new weapon for you to use in your pursuits which is the Teor Gren...1.6k downloadsupdated 6 y ago
• RRock Planetby Mordecai and the KobokerzHi guys, this is a New SP\COOP Map, in which you go to what is considered a Reimagining of Rock Planet from Serious Sam Alpha to get the Station where the teleporter is to go to Space Crusader Ultimate Enemy Pack is Required1.5k downloadsupdated 7 y ago
• QQauntasby Mordecai and the KobokerzHi Again i have made my SP/COOP mappack for fusion, it has 4 maps, it takes place in egypt and you must find a teleport for a my first HD mappack, The forest and the desert, its a prequel, the Alley area are from Commons District by Solais COSMIC ADVENTURE 2 by DilonSKY levels needs Solais HD URP...1.5k downloadsupdated 7 y ago
• GGates To Hammurabi Portby Mordecai and the KobokerzHi guys, this is my fourth port to Fusion, Gates To Hammurabi This port has changes: - Added more models - Added new secrets and removed old ones - Added more enemies - Added Details and more Original Map by Chris "toastar" Young AKA RatBoy Update 1: Fixed the lighting Added crumbs Added Coop ene...1.5k downloadsupdated 8 y ago
• NNyx Castleby [-:-]HarbingerA brand-new SP/Coop map that takes you from a small village to a long lengthy path towards an Arena. You will need the URP and my Enemy Assets.1.5k downloadsupdated 9 y ago
• SStar Wars: Scarif Mayhemby ArtEM-41If you have any problems with the complexity of the map, it's because it was very lame for me to explain how to do it. Here is a video showing my idea: PLAY STRICTLY ON NORMAL!!! P.S. The map has problems with fps and changing graphics settings can't fix it. I will not patch it, because the probl...1.5k downloadsupdated 4 y ago
• GGriphos Town.by Mr.OgurchickT_TGriphos Town - A map in the style of the classic massacre, like "go, shoot." From the background - Sam was given the task to go to the Western military base that is located near the City of Grifos, as the headquarters received an SOS signal from the region. And what happened next - you will learn...1.5k downloadsupdated 7 y ago
• BBastion of Darknessby Static-KEXOne man told very strange things about The Damned Tower. He came back from there badly wounded and barely alive. Now you must find out what mysteries this Tower keeps. Remastered classic TSE mod by Leonid 'Leo' Kalinichenko ==Updated Fusion version features== -Replaced most of the Egyptian textur...1.5k downloadsupdated 17 mo ago
• TTerminusby [-:-]HarbingerAnother SP/Coop Map released, this time in Generic Egypt Map#4346546, or known as Terminus, a decent length, and incorporates both HD and BFE enemies into the mix a little bit. This requires BFE HD Netrisca Entries, SSHD URP and Will Rock Music.1.5k downloadsupdated 7 y ago
• AAhead of Speed: Oasis Assaultby ThanadraxIt's been a good cloudy day in Egypt. Wait... cloudy? Looks like Mental yet again tries to turn the tables and destroy the humanity! Of course, you won't be able to go kill him, but EDF sent you to the Beelz Oasis to recapture it from hordes of enemies. Beelz Oasis is an important strategic point...1.5k downloadsupdated 7 y ago
• LLava Planetby [-:-]HarbingerWell its finally here, now I am relatively cautious about the entrance to the boss not triggering but the rest of the map works. But on that note, its finally here! Lava Planet, partake in this map greatly since it took a bit to get it going.1.5k downloadsupdated 8 y ago
• LLegend of the Beast Fusion Unityby [-:-]HarbingerYes its finally here, the first Remaster of my Unity series, soon to have more stuff than ever, but a small taste would be this, it doesnt change much except the Enemy composition more weapons, more ammo, more fun! Requires, well, a lot of Enemy Resources. Credits to my fellow testers, Crackshell...1.5k downloadsupdated 4 y ago
• BBeheaded with his Heads! (Resource)by AndreikiIf you wish to commission a mod to your liking, send an invite to friends list and well discuss it (REQUESTS ARE NOT FREE) (RUS) Ресурс для маперов безголовые с головой! Вы найдете их по пути SeriousSamHD/Databases/Pupets/Enemies/Beheaded Head (ENG) Resource for mappers. Beheads with his heads! Y...1.5k downloadsupdated 9 y ago
• FFusion Enemy Multiplier x11by Yurka262Have you ever thinking why SS4 and SM have x11 enemy multiplier, but not in fusion? It is even in SS2! I'm not going to agree with this! This mod changes the original fusion campaigns, including DLC, by increasing all enemies by 11 times. With the exception of bosses, which do not become ordinary...1.5k downloadsupdated 6 mo ago
• CCOD11 - Happy New Yearby Neo_minigan"Can you find a beheaded Santa?" Time - Night ||| Weather - Snow Average duration - 10 mins Circle of Death series of maps that made in style of the arena for survival. You will fight with different monsters in different situations. Used music: 1 - Thegluestickman - Christmas Rock Medley 2 - RobS...1.5k downloadsupdated 9 y ago
• CConnection Lossby SirdoggyI created this map around two years ago. I wanted to make a full three level campaign, but I didn't quite manage. This is the only finished level of that campaign, and probably the best one! I decided that it would be a shame to not upload it. So yeah, here it is. Go play it. It's fun.1.4k downloadsupdated 8 y ago
• RRealistic Pickup Holderby Spy's Cr3edRealistic Holder Pickup ( RHP ) makes the items more realistic that remove their animation on showcase like Netricsa messages and makes them static. Ofcourse particles will stay at items if you use custom item with wrong collision to find it. Now to Fusion ! .:Feature:. - Items are using static a...1.4k downloadsupdated 9 y ago
• TThe Persian Riversideby [-:-]HarbingerWelcome to the First SS3-Style map I've created, which takes place in Persia, capturing that Semi-Classic Feel, and quite a bit lengthy. You will need: Adult Spider, Arachnoid Elder, Scrapjack Incinerator, Talos Rocks and SS3 URP Known Bugs: No Crumbs, as soon as I consult with someone that can h...1.4k downloadsupdated 9 y ago
• TTSE Egypt Variations Zalupka HD Remastered Part IIby 76561199068533130Наконец то! Спустя целое столетие, вышел псевдо ремастеред на Богом забытым Египетские вариации от Уничтожителя Work Шопа Serious Sam своим безумием. Его никто никогда не хотел и не ждал, ну и слава Богу! - Все уровни были переверчены и перекручены, было исправлено тонны багов и ошибок. - Модели...1.4k downloadsupdated 1 mo ago
• OObelisk Templeby SkorlySam has reached the Obelisk Temple, a temple with a whole 8 obelisk! Sam must now shoot his way to the other side of this ancient structure. A short little map set in modern Egypt. The map itself should last you +- 20 minutes. I made it over the last couple of weeks to get familiar with Serious E...1.4k downloadsupdated 5 y ago
• PPurple Pride HD: The First Encounterby PikaCommandoIt's Serious Sam HD: The First Encounter, but every enemy is a Beheaded Rocketeer. SERIOUS SAM HD: THE FIRST ENCOUNTER IS REQUIRED TO PLAY THIS1.4k downloadsupdated 6 y ago
• SSpaceship Fix Modby Nevermore2790After Serious Sam HD came out, I am noticing one detail that is plaguing me with the Spaceship. The Engine sound is not properly following it, AND the Spaceship, for some odd reason, is facing like 45 degrees by the time it is on your sights despite its rotation outside of the map is the same fro...1.4k downloadsupdated 7 y ago
• BBFE Rocketeer Attack Improvements (Replacement)by Seriously StupidReplacement version of the upgraded BFE Rocketeer mod. Replaces puppet parameters, character behavior, and the homing projectile files for BFE's Rocketeer. For a Resource Pack version of this enemy, see here: Changes include: - Rocketeer attack range has been slightly increased, from a distance o...1.4k downloadsupdated 7 y ago
• CCairo Secretsby Mordecai and the KobokerzHello again, This is my first Fusion mappack SP/COOP, it has 2 maps, this takes place in cairo town and you need to get to secret pyramid This mappack has now got a minirework - Changed the Broken Wings area to new areas - Added 4 Secrets - Replaced the GL and ammo with Devastator - Added more Co...1.4k downloadsupdated 8 y ago
• AArtificial's Weapon Enhancements 3.0 (Fusion Edition)by ArtificialAfter a long hiatus away from BFE, I have recently returned. And have looked over my weapon enhancement pack. And have decided that some things really needed to be changed and/or added. For one, I noticed the AR being just a LITTLE BIT too useful. It was definitely overclassed over the shotguns....1.4k downloadsupdated 6 y ago
• WWalker Blue BOSS Ported Fusionby AndreikiIf you wish to commission a mod to your liking, send an invite to friends list and well discuss it (REQUESTS ARE NOT FREE) (RUS) Порт монстра с HD Версии (ENG) Port Monster from HD version1.4k downloadsupdated 9 y ago
• [[T&C]Alley of Sphi- Wait did you just say Alley of Snow Keeps?by ThanadraxBasically it's Alley of Sphinxes but it's medieval themed and with snow. Also a lot of enemies are replaced with custom enemies from awesome enemy pack by Solais. Contains new boss... well, let's just say yet another lava golem reskin Happy New Year (: Made by T&C Credits: Music is from Serious S...1.4k downloadsupdated 5 y ago
• TT&C Co-Op Add-On: Level Variations Vol.1by Cyborg.SeriousSiteDescription This add-on provides new level variations for T&C Co-Op gamemode! Particularly for TFE campaign. Lots of new level variations! Total about 22 Some of levels didn't get their variations yet, but we will provide them with further upgrades; Levels - Night Temple of Hatshepsut - Homecomin...1.4k downloadsupdated 3 y ago
• MMooncrash 2020by RTX OnUpdates: 3 Jan 2021: *Sun was fixed 3 July 2021 of 1/3 SUMMER UPDATES: *Optimization improved *Bug fixes *Visual redesign *Two new weapons *More enemies and battles *New OST 30 July 2021 of 2/3 SUMMER UPDATES: Information: Update is aimed on infrastructure of base 25 August 2021 of 3/3 SUMMER UPD...1.4k downloadsupdated 5 y ago
• KK-on Club Characters Modelsby lessy2014Meet the K-On club! This mod adds girls from the K-On! anime as playable characters in multiplayer. The whole group is included here now! Credits Models: Kakomiki Idea: Kakifly, Kyoto Animation1.4k downloadsupdated 7 y ago
• ДДолина майя / Valley of Mayaby Mr.OgurchickT_TRus. И так, я сделал первую свою карту для Fusion 2017. Теперь о карте: Карта получилась хоть и маленькая, но сбалансированная. Присутствует 3 секрета. Есть озвучка главного героя (в исполнения всеми нами обожаемого Джигурды!) Естественно, музыка. Теперь о задумке. Сюжет на карте отсутствует, так...1.3k downloadsupdated 9 y ago
• [[SP]Serious Jumping Tour: Season 2by Thanadrax100% FASTER. 100% COOLER. 1% LESS EXPLOITS. Welcome to the Serious Jumping Tour: Season 2! It's a singleplayer campaign - continuation of previous Season, where you have to complete multiple objectives, like... - Jump - Jump - Kill - Jump - Run - Jump! Contains lots of parodies on such maps from...1.3k downloadsupdated 3 y ago
• ((SP/COOP) Kirito Townby Mordecai and the KobokerzHello and Welcome Kirito Town is a new 6 level singleplayer/cooperative mappack. After EDF soon discovered the Seal needed to defeat the Mental, Sam needs to get the Seal in the abandoned Kirito Town where once used to be a good city and good place to live, his pilot suffered a heart attack and t...1.3k downloadsupdated 7 y ago
• GGothic Fieldby Mr.OgurchickT_TBy coincidence of some circumstances, Sam Stone is thrown into Germany in the Middle Ages, not far from the Castle of Borders. Sam notices that portal storms occur everywhere, as a result of which things from different eras change places ... By a lucky coincidence, it is thanks to portal storms t...1.3k downloadsupdated 6 y ago

476 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.