Mods / Custom Map

• SSamuel Free World Mappackby a3n3aThis mappack is the ultimate crazy serious sam co-operative experience you've always wanted It's a wild-ride packed with (custom) enemies, traps and many more. You'll have the opportunity to play through 3 gigantic levels (City of Night - Mirage - Maze War) and a co-op start level to get things g...2.2k downloadsupdated 13 y ago
• TThe Serpent Shrine [IKSMJ2025]by 76561198841929330Wherever Sam's fate took him, having already traveled the entire globe, he went to explore the distant planets of the boundless cosmos. This time, the hero will have to find the "snake jasper" on the distant and unexplored planet of snake people. Interrabbital Khreth Swarm Mapping Jam 2025 was an...494 downloadsupdated 11 mo ago
• TThe Big Houseby 76561199069800967You are supposed to be an ant and you are exploring a big house where you will go to new places while finding secrets, some bosses and enemies. Fun fact, maybe I'm wrong, but I think this is almost the first or second Serious Sam map of this style. I'm surprised I haven't seen other types of maps...195 downloadsupdated 15 mo ago
• HHaunted Palace - Revolution Portby 76561199654450774This is Revolution port of Haunted Palace created by Wytas to SS2 This map was originaly recreated in 2022 but released 2025. This version do not contain music bug and intro bug. Also works with TSE, Teleport, Resources Healts Contains: Original areas by Wytas Music: Wytas, Gekko If you are creat...165 downloadsupdated 19 mo ago
• TThe Big Kitchenby 76561199069800967You find yourself in a gigantic kitchen, but you are actually the size of an ant, so you will be able to explore a kitchen where you will have fun exploring it and finding secrets and monsters. Credits: Golden Laser by ZynChroMaTiK. Aludran Reptiloids from Serious Sam Beta by Bitkim Internal Test...149 downloadsupdated 15 mo ago
• RRat map packby 76561199069800967This is my first Serious Sam Classics Revolution map pack, which means you will play as if you are the size of a rat, ant, toy, I prefer to call it the size of a rat xd, so you will feel like everything is giant. . , it's not bad to have a little distraction, my idea is also to be able to explore...148 downloadsupdated 2 mo ago
• TThe Big Bathroomby 76561199069800967You are the size of an ant and you are in a bathroom, you can walk through the toilet, or places like the bathtub, the floor and the cabinet where you wash your hands, etc., it is practically like a joke, because you will meet ugly monsters in random place Some small bugs i need to fix and maybe...131 downloadsupdated 15 mo ago
• TThe Big Poolby 76561199069800967You are the size of a rat and you are in a beautiful pool reflected by sunlight. And good morning by the way. ?? Credits: Golden Laser by ZynChroMaTiK. Aludran Reptiloids from Serious Sam Beta by Bitkim Internal Test Arachnoid by JesterOfDestiny. Next Encounter Werebull by JesterOfDestiny. Next E...112 downloadsupdated 15 mo ago
• TThe Big Classroomby 76561199069800967You are the size of a rat or almost a soldier ant so to speak, and you are in what is supposed to be any classroom, but you will be there during 00:00 AM and there will be no light, it seems a little creepy but no xd. I've been seeing that the size doesn't seem to have much to do with the lag, I'...88 downloadsupdated 15 mo ago
• TThe Big Restroomby 76561199069800967You are the size of a rat and you are locked in a public bathroom, you have to find the exit and you will find several variants of enemies and in some places not so much. Credits: Golden Laser by ZynChroMaTiK. Aludran Reptiloids from Serious Sam Beta by Bitkim Internal Test Arachnoid by JesterOfD...49 downloadsupdated 15 mo ago

10 custom map 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.