PCGame

Serious Sam: Siberian Mayhem

First-person shooter with alien hordes across snowy Siberian levels

Croteam, Timelock Studio · Published by Devolver Digital · Released Jan 25, 2022

ActionAdventure

Reviews
Very Positive
91% of 5,100
Recent reviews
Very Positive
85% of 49 in 30 days
Players
22
daily peak, Nov 7, 2026
Steam Deck
Playable
Last update on Steam
3 years ago
Jan 25, 2023
Minimum PC
780
8 GB RAM · 25 GB disk
Full requirements

Metacritic: 70/100 (critic reviews)

What is Serious Sam: Siberian Mayhem?

A standalone first-person shooter set across five levels in Siberia, where Sam Stone pursues General Brand. You fight alien hordes with guns, gadgets, and vehicles, and can explore for secrets or take on side missions. You can play solo or in online co-op.

For you if...

  • +you like fast, old-school shooting against large enemy groups
  • +you want optional side missions and hidden secrets
  • +you want online co-op through a level-based campaign

Not for you if...

  • −you prefer slower shooters with fewer enemies per fight
  • −you dislike lengthy levels with room to explore

What players say

91% of 5,100 reviews are positive · 85% of 49 in the last 30 days

Players praise the level design, varied weapons, and hidden secrets. Common complaints include uneven performance, drawn-out later levels, and frustrating enemy behavior.

Players over time

▼ -5% vs a month ago

Players online on Steam, one sample a day.

Highest since Sep 2026: 25 players on Sep 27, 2026.

Show the data
DayPlayers
Nov 7, 202622
Nov 6, 202615
Nov 5, 202610
Nov 4, 202613
Nov 3, 202613
Nov 2, 202616
Nov 1, 202620
Oct 31, 202620
Oct 30, 202616
Oct 29, 202614
Oct 28, 202615
Oct 27, 202611
Oct 26, 202616
Oct 25, 202618
Oct 24, 202625
Oct 23, 202620
Oct 22, 202617
Oct 21, 202613
Oct 20, 202614
Oct 18, 202618
Oct 17, 202617
Oct 16, 20269
Oct 15, 202610
Oct 14, 202611
Oct 13, 202611
Oct 11, 202618
Oct 10, 202617
Oct 9, 202620
Oct 8, 202610
Oct 7, 202616
Oct 6, 202617
Oct 4, 202622
Oct 3, 202621
Oct 2, 202612
Oct 1, 202617
Sep 30, 20269
Sep 29, 202616
Sep 27, 202625
Sep 26, 202613
Sep 25, 202611
Sep 24, 202610
Sep 23, 202617
Sep 23, 202612
Sep 22, 202617
Sep 21, 202619

How many players finish Serious Sam: Siberian Mayhem?

50% of Steam players have unlocked «The End», the achievement for finishing the main story.

Share of everyone who owns the game on Steam, including those who barely played it. Updated weekly.

Screenshots and trailer

Serious Sam: Siberian Mayhem screenshot 1

Serious Sam: Siberian Mayhem system requirements

Minimum: 780, 8 GB RAM, 25 GB of disk space.

As published by the developer.

Can my PC run Serious Sam: Siberian Mayhem?

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Minimum

OS
Windows 10 64-bit
Processor
4-core CPU @ 2.5 GHz
Graphics
nVidia GeForce 780/970/1050 or AMD Radeon 7950/280/470 (3 GB VRAM)
Memory
8 GB RAM
Storage
25 GB available space
DirectX
Version 11
Notes
Requirements are based on 720p rendering resolution at 30 FPS

Recommended

OS
Windows 10 64-bit (1909)
Processor
8-core CPU @ 3.3 GHz
Graphics
nVidia GeForce 1080/2060 or AMD Radeon Vega64/5700 (8 GB VRAM)
Memory
16 GB RAM
Storage
25 GB available space
DirectX
Version 11

Does Serious Sam: Siberian Mayhem have co-op or multiplayer?

Yes: co-op online. It also has a single-player mode.

Does Serious Sam: Siberian Mayhem run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

  • Default configuration is not performant
  • All functionality is accessible with the default controller configuration
  • Shows Steam Deck controller icons
  • In-game text is legible on Steam Deck

PC version details

DRM
None declared on Steam
Controller
Full controller support
Platforms
Windows
Achievements
51
Steam features
Workshop, Cloud saves, Family Sharing, Trading cards
Languages
Full audio: English. Text only: French, Italian, German, Spanish - Spain, Japanese, Korean, Polish, Portuguese - Brazil, Russian, Simplified Chinese, Traditional Chinese, Turkish.

Does Serious Sam: Siberian Mayhem use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 25, 2026. How to filter AI games on Steam

Tags

Recent updates

1 DLC available.

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