Mods / MapsSerious Sam: Siberian Mayhem mods
Serious Sam: Siberian Mayhem maps mods
Everything filed under maps by its own author, ordered by how much it is used.
AllModifications103Weapons81Single player65Additions60Cooperative55Models49Graphics42Resource Pack37Player Models37Enemies34Sounds34Maps29Custom Campaign25survival24Versus12Music9Multi-pack9ctf7Language6
- City of the Pyramidsby NeiserStory You are in Ancient Egypt and so are Mental's forces. Kill them all and save the planet. Seriously, it's that simple. Stats Estimated 100% Time: 45:00 mins Enemies: 1000+ Background What started as an attempt to make a map in 2 hours turned into 2 months of work. I wanted to make a map based...7.3k downloadsupdated 4 y ago
- Horizon -- Campaign (2023)by Spy's Cr3edHere we are again with another campaign, this time done in a way more reasonable time. The campaign's main highlights would be the classic gameplay, linear design and overall just something to enjoy for a while. The main concept was to make a level based mainly on existing assets and to focus jus...2.4k downloadsupdated 3 y ago
- The Warchaserby ThanadraxThe "Underworld demons" are loose Welcome to The Warchaser - an SP/COOP adventure set around forests and ruins, where the great "Hades" awaits. This pack of 2 missions is an excuse for release of a very short map, Reminiscence. This time, you will have more time to explore the world, and more foe...2.4k downloadsupdated 4 y ago
- Hills - Custom Campaign Levelby SkorlyA sort of reimagining of the fan favorite Serious Sam level, Dunes. The map should take around 10-15 minutes to beat if you're not going for secrets. The map has not been tested on co-op, but it should work. If you find any bugs, let me know! I'll do my best to fix them. I hope you'll have fun wi...2.2k downloadsupdated 4 y ago
- (Update) Coldfrontby 76561199040911078History You've appeared in this unknown, maybe Mystical Place with no reason. I've detected some activity from 2000 metres from us. Let's check it out! Features ● Classic Serious Sam gameplay ● 4 Skills ● 20 - 30 min map ● Nothing special, just chill map ● Fun secrets Updates Visual Update ● Adde...2.2k downloadsupdated 4 y ago
- [SINGLE/COOP] UrbanDeHuman's "Please Fly 2022" Tribute (NEW GAME+ UPDATE)by UrbanDeHumanSome particular circumstances have led you to the flying islands on some planet, unknown to us. Somehow the only thing you know here is to get to the portal that you can activate to leave this place and continue with your life. But maybe the journey is worth being continued? It's up to you to dec...2.0k downloadsupdated 2 y ago
- The Serpent's Sanctuaryby NekorieStory You are tasked with retrieving the ancient Sirian artefact called Jade Serpent which is used as a cloaking device. It is located in the Serpent's Sanctuary near the Temple of Ja' in the Lub'uja' Gorge. It was believed to be nothing but a myth before it was found by the Triple-A team. Mental...2.0k downloadsupdated 19 mo ago
- My Memories: Egyptby 76561199040911078My Memories It is a project that aims to improve my old maps and build them on newer engines of Serious Sam series. Here you can once again plunge into the atmosphere of Serious Sam 3, to remember my first map ever which is almost 3 years old and just enjoy the old map, while getting a completely...1.8k downloadsupdated 3 y ago
- Rigatharby Sulphuric_GlueAfter taking off from Earth at the end of The Second Encounter, Sam travels through the empty void of space to seek out Mental and fight him on his own doorstep. However, his ship is unexpectedly caught in a gravity well, and crash-lands on an Earth-like alien planet; Rigathar. Sam's primary conc...1.6k downloadsupdated 17 mo ago
- Reminiscenceby ThanadraxWhat lies in memories isn't always true... Welcome to Reminiscence - an SP/COOP short map set around abandoned church, inhabited by Mental's horde. This mission is my first and, probably, last map for Siberian Mayhem for a long time (depending on how things go). With limited supplies, you will ha...1.5k downloadsupdated 4 y ago
- Backroomsby Cyborg.SeriousSiteBackrooms "If you're not careful and you noclip out of reality in the wrong areas, you'll end up in the Backrooms, where it's nothing but the stink of old moist carpet, the madness of mono-yellow, the endless background noise of fluorescent lights at maximum hum-buzz, and approximately six hundre...1.4k downloadsupdated 4 y ago
- Ten Tidal Wavesby ThanadraxThe Great Tsunami Approaches! Welcome to the Ten Tidal Waves - a Survival stage-based map, where the biggest challenge awaits you. PLEASE, READ THIS IF YOU PLAY MULTIPLAYER: You have to set the following commands BEFORE (or during) playing this map to avoid huge ping delay for clients. For host:...1.1k downloadsupdated 3 y ago
- Underdarked - A Serious Journeyby FinzySerious Sam has stepped through a strange portal and finds himself in an even stranger underground realm that's literally out of this world. It's up to you to put together the pieces and figure out what's happened... Loosely inspired and based on the Underdark region from Dungeons & Dragons / For...1.0k downloadsupdated 3 y ago
- A Serious Encounterby serious bombLevel After Sam used the time lock to open the multiverse, he found Sam from a certain point in time and gave him a special mission: to go to a certain time lock research station of Mental (Level 1), use it to travel back to the past, and find Mental's ancient elemental automaton to seize element...945 downloadsupdated 10 mo ago
- Toxic Swampsby fil.smi93These toxic swamps are poisoned by Mental's army. Can you discover all the secrets of this place and survive here? I have been making this map for a long time. Initially, it was planned to be twice as large, but after calculating the forces, I decided to abandon cutscenes, focus on gameplay and r...934 downloadsupdated 3 y ago
- Winter of Discontent MkII (Remastered)by Sulphuric_GlueA reworked version of my first SS map, now better balanced and with more stuff to do. Sam is plunged into a mysterious pocket dimension lorded over by a bloodthirsty entity. In order to escape, he must first face its challenges... The par time for the level is 35 minutes. This level is VERY DIFFI...932 downloadsupdated 3 y ago
- (FIXED) X-Front 2022 - Eventby 76561199040911078About My first seasoned theme map for Serious Sam: Siberian Mayhem. Hope you enjoy, because it was really fun making this. Gameplay is default, but have some minor changes. Also there is a "quest system" and dialogue gui got an upgrade. Secrets are pretty simple, some of them may be fun and enjoy...827 downloadsupdated 4 y ago
- Events in the desertby 76561198882468386Prehistory: This path was not easy for me, I started developing this map exactly a year ago and continued only in May. To be honest, it was a very funny experience, my mood often changed depending on the theme of the map, I either hated or adored my work. But thanks to the support of some people...807 downloadsupdated 2 y ago
- Fall of Melancholy Village [Custom Story Campaign]by DizellfestCaught within the darkness an ill man must find a way to solve one mystery on why everyone has disappeared and on why dark creatures started to plague these lands. Explore the Villages, solve the mystery. The notes should help. |||PROJECT INFO||| FoMV is a short side project of mine which tells t...622 downloadsupdated 3 y ago
- Secrets of Mystical Man :)by 76561199040911078Secrets of Mystical Man The events take place between the end of SS4 and the beginning of SS3. Sam, after killing the Creator, temporarily freed himself from the cycles of the Mystical Place. During this time, he managed to argue with Quinn that he could find something worthwhile in the first cav...558 downloadsupdated 15 mo ago
- Rigathar - Mental Madnessby Sulphuric_GlueMental is stepping up his game this time, Sam! Inspired by the Death Wish mode from A Hat in Time, this set of three levels takes parts from the Rigathar campaign and massively ramps up their difficulty, for short but highly intense encounters. This should be stressed - the maps are very difficul...527 downloadsupdated 3 y ago
- Foggy lawlessnessby 76561198882468386HI: hello everyone, despite the fact that this is my first map made, you can express criticism clearly and to the point so that in the future I can make maps better. Prehistory: when Sam arrived at the base, he wanted to take a nap. After he fell asleep, he dreamed of fog and a bunch of monsters....515 downloadsupdated 3 y ago
- Deja Vuby sharsteinEntire tunnel collapsed behind you, hundreds of tons of rocks and concrete fell down with excruciating sound, blocking pass, leaving no choice but move forward. Definetely work of Mental's slaves, but you actually don't mind it. After all, you never was against another encounter with alien hoards...486 downloadsupdated 12 mo ago
- Tribe Of The Bells 2026 - Campaignby DizellfestLet the bells ring. DIFFICULTY: Easy Theme: Fantasy, Winter Wonderland Music: Metal, Techno Bot Support: Yes Weapons: Custom, All Unlocked Time To Beat: 25Minutes Enemy Count: Medium Level Count: 1 Universe: Unknown (Not Serious Sam Story) Worktime: 6 Days (FEATURES) - Automatically spawned AI Sa...387 downloadsupdated 9 mo ago
- Snow Castle Expanded Editionby fil.smi93Eng I made this map for the Castlemania contest in 2024, and now I've finally managed to not only polish it but also expand it. Replay the Snow Castle map by completing the new side quest in the catacombs! New zones and secrets have also been added to the map. Moreover, by finding four secret cha...368 downloadsupdated 8 mo ago
- New Year Fableby sharsteinWarning! Entire map is in Russian language. All my attempts to adapt jokes and humor failed. I can`t even properly adapt introduction text. Gameplay is still there though. 40ish minute map 2nd place in Jingle Bombs 2025 contest271 downloadsupdated 8 mo ago
- Project Better Performance Siberian Mayhemby Mike UchihaMod Make Performance are much better and more shooting no boring sections SM+ Dont Support it ! GTX,AMD,RTX,RX, Cards Function normal CPU and GPU MEMORY you can low to you PC Parts Balance it Final Boss Double shotgun have 200 ammo max like Classic SS226 downloadsupdated 5 mo ago
- Steamed Hams, but it's a Survival Mapby Seriously StupidReplacement map for The Snowrider. Replaces the fight music with the Steamed Hams audio track and features an alteration to the skybox. Track your record for survival by the amount of times you hear Steamed Hams looping. It is recommended you adjust music volume to have the highest level for maxi...207 downloadsupdated 4 y ago
- Back to the Classic Coop Mode SM Editionby Riba4ok13Same as SS4 version. This 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 t...81 downloadsupdated 2 y ago