Serious Sam: Siberian Mayhem mods
Serious Sam: Siberian Mayhem total conversion mods
Everything filed under total conversion by its own author, ordered by how much it is used.
3 total conversion mods, most downloaded first · newest update 17 Oct 2026
AllModifications103Weapons81Single player65Additions60Cooperative55Models49Graphics42Player Models37Resource Pack37Enemies34Sounds34Maps29Custom Campaign25survival24Versus12Music9Multi-pack9ctf7Language6
3 total conversion mods
- Project Better Performance Siberian Mayhemby Mike UchihaSM+ Dont Support it ! Balance it Final Boss Not Done Double shotgun have 200 ammo max like Classic SS Patch For Serious Engine 4 Add this +cfg_bDisableStreaming=1 +sys_bAllowHyperThreading=1 +sys_bMultithreading=1 +sim_fWorldPrecachingStreamingLoadingDoneThreshold=-1 +texs_ctMaxUnloadsPerFrame=0...249 downloadsupdated 18 d ago
- Serious 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.178 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...84 downloadsupdated 2 y ago
3 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.

