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Serious Sam: Siberian Mayhem
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Serious Sam: Siberian Mayhem is a new stand-alone expansion to the world of the classic FPS series. Join the fight against Notorious Mental on a journey through the wild lands of Russia, and find your way through this lost chapter of Sam Stone's adventures.
PC (Microsoft Windows) · Jan 25, 2022
Worldwide · Exact date · IGDB
PlayStation 5 · Oct 6, 2022
Worldwide · Exact date · IGDB
Xbox Series X|S · Oct 6, 2022
North america · Exact date · IGDB
Catalog sources
51 achievements available.
Hidden until unlockedSteam
Rise and levitate
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Find all of the print media notes
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Get any medal on Castle of Pain survival level
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Kill 30 enemies while riding one Draconian Burner
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Kill 10 enemies with one Burner explosion
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Defeat Sentry Tower with sole hoverboard firepower
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Now it's your turn
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Hidden until unlockedSteam
Get any medal on Dragon Gates survival level
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Get a gold medal on any survival level
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Kill Draconian Burner with a Burner gun
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Get half of all achievements
LockedSteam
Unlock all Achievements.
LockedSteam
Hidden until unlockedSteam
Stay here and kill them all... with a black hole
LockedSteam
Get any medal on Horus Sanctuary survival level
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A solution to any problem
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The smartest man on Earth
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Don't ride the tank - become the tank
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Get any medal on Kleer Fortress survival level
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Kill 5 enemies with one Crossbow shot
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Complete the mech sequence and kill all big enemies without shooting
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Complete Siberian Mayhem on Serious difficulty in Cooperative with enemy multiplier set to at least x2
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Get any medal on Monkey Canyon survival level
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Find every Dmitry audio and text log
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Find all secrets
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Complete Siberian Mayhem without learning a single S.A.M skill in Singleplayer
LockedSteam
Rid the monster of its misery
LockedSteam
Hidden until unlockedSteam
Find half of all the secrets
LockedSteam
Hidden until unlockedSteam
Complete Siberian Mayhem on Serious difficulty in Singleplayer
LockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
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Get any medal on The Snowrider survival level
LockedSteam
Find every General Brand audio log
LockedSteam
Beat the final boss in Singleplayer on Serious difficulty without loading mid-battle savegames
LockedSteam
Community notes
Main game
