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92% positive of 4,796 · Very Positive · Live from Steam
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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.
Live data from Steam, tracked by SteamPlayerBase.
No authorized Steam key store lists this game right now.
Works, but may need extra effort. Results from Valve's own testing.
1 item on Steam, newest first.

What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 92% on 2026-11-01 → 92% today (4,796 reviews)
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Hello, folks! Today is a very special day for all of us here at Timelock Studio, because exactly one year ago, Serious Sam: Siberian Mayhem hit the stores worldwide. You can say our brainchild has its first birthday, and what a journey that was... While the ro…
Fixed an issue that caused increased player speed on NG++ and further to reset to normal speed after watching a cutscene; Fixed an issue that caused allied Draconian Burner’s AI to randomly break; Fixed an issue where some of the enemies’ original attachments …
Fixed Serious Editor incorrectly displaying text information/icons. Added fireworks to make discovering Christmas areas on levels easier. Fixed a few instances of drones getting stuck out of player’s view and blocking level progression. Improved displayed mess…
Ho-ho-ho! Santa Sam is back in this Merry Christmas update! But this time Santa has a big mission - he has to find a super gift for you. Yes, exclusively for you! A powerful Freezer-Burner gun! If you want to play with this toy, you'll have to help Santa Sam! …
Bug fixes: Added missing translations for NPC alternative voice lines. Fixed an error in seasonal script that could sometimes appear in Cooperative for clients. Fixed a relocated secret Hoverboard in Crime and Punishment not counting towards total secrets stat…
It's a spooky month! A seriously spooky month, but Serious Sam is not afraid of neither creepy skeletons, nor flying pumpkins. But what about you? Let’s figure it out in this Spooky Halloween Update! This update delivers a little bunch of improvements and bug …
The wait is over. Serious Sam: Shatterverse is available today on Steam! Bringing roguelite chaos to Serious Sam has been an absolute blast, and we owe a huge thanks to this community for helping us shape it. Our goal was simple: keep the massive hordes and ri…
Hey folks, It's a massive day for everyone at Croteam and Devolver Digital because we get to announce a brand new partnership with Behaviour Interactive, who are working on the next installment of the Serious Sam series. Serious Sam: Shatterverse is their take…
From all of us at Croteam, we’d like to wish you a seriously Merry Christmas.May you enjoy the holidays with friends and loved ones, stay full of health, and welcome 2026 with joy, optimism, and a positive spirit for the year ahead.Thank you for being part of …
When it comes to the best FPS games, it's tough to beat the raw, unbridled action of a good boomer shooter. The genre has exploded in popularity once again in recent years, which is fantastic if you love blasting your way through hordes of foes using all manne…
If you've ever considered playing Celeste , then this is the perfect opportunity for you to do so. The incredible LGBT game is not only a rewardingly difficult platformer, but also an emotional narrative-driven experience with a powerful message to offer. You …
Hello and welcome to the new episode of Featured Mod! For the first time in our series, we will be featuring a campaign for Siberian Mayhem! Today’s mod is “City Of The Pyramids”- a one-level campaign made by Neiser! The story is very simple- you’re taken to A…
Шутер Serious Sam: Siberian Mayhem до сих пор не вышел нигде, кроме PC, но, судя по всему, консольный релиз игры уже близок, чему появилось еще одно свидетельство.
В начале мая Devolver Digital обновила Serious Sam: Siberian Mayhem , добавив в шутер много нового контента. Патч под номером 1.03 включает в себя режим выживания, игровой редактор, модели персонажа и многое другое. Трейлер обновления можно посмотреть ниже.
Hey, folks! It's been really cold on the news lately, but fear not – something really hot comes to warm you up this May. We've been quite busy with another big update we promised a long time ago for all of you Siberian Mayhematics, and the time has finally com…
Компания Valve назвала самые популярные новые игры в Steam за январь 2022 года. В список традиционно вошли двадцать релизов, показавших лучшие результаты по объему полученной выручки за первые две недели после выпуска.