Serious Sam: Siberian Mayhem
Worth it · Shooter · 2022
Steam Deck PlayableThe verdict
BUY IT.
Worth it at $19.99, a BANGER if it drops to $18.94.
- Length
- 4.3h
- Value
- $4.65/hr
- Reviews
- 92% positive
Recent reviews trending down: 84% over the last 30 days against 92% all-time.
Buy now or wait
The Autumn Sale is on until Oct 8. It is at full price today.
Discounted in each of its last 8 seasonal sales on record.
- Autumn Sale cooldown
- None on record
- Typical seasonal cut
- 50% ($9.99)
- Deepest seasonal cut
- 75% ($4.99)
- Last discount ended
- 17 days ago
Sources: IsThereAnyDeal, Valve.
Watch this gameOne alert when it is worth buying.
Minimum on the Steam store: 8 GB of memory, nVidia GeForce 780/970/1050 or AMD Radeon 7950/280/470 (3 GB VRAM), 25 GB of storage. Windows only.
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.
What drives the score
How to read this
Grades run S to D, read from the buyer's side. ▲ marks a lift, ▼ a drag or a dock, ? an input we do not have, • a fact this genre's score does not use. How the grades work
The value story
It has never been cheaper than $4.99. That was June 2026. Its cuts run 50 percent off as a rule. There have been 33 in the 5 years tracked, about 7 weeks apart. Today it is at full price, and its last discount ended about 2 weeks ago. Past sales have already crossed the $18.94 BANGER line 33 times.
Against its own genre it lands in the top 5 percent on value. It is pricier than 67 percent of its genre, and better reviewed than 86 percent. Among the games that feel like it, Serious Sam Classic: The Second Encounter ($5.99, scores 94) beats it on value, while it beats Forgive Me Father 2 ($24.99, scores 41).
70 from critics against 92 percent from players, and the player number comes from people who own the game.
Steam's global achievement data puts 50 percent of players at this game's ending achievement. The median game this site can measure sits at 15. Players rate it 92 percent positive over its lifetime, but the last 30 days run 84 percent. Something recent has soured the room. Of the 642 Steam-purchase reviews this site sampled, 7 come from buyers who refunded the game, sampled from reviews written January 2022 to September 2026. Inside the two-hour refund window, 78 percent of the 501 reviews written there were positive, against 92 percent overall, and those are 11 percent of everything written about it.
4.3 hours to finish it, 19 to exhaust it. The completionist tail is 4.4 times the campaign.
The drop-off
89% start to 50% finishSteam counts a larger share of its players at the ending achievement than it does for most games this site can measure. Steam global achievements
What players say
Sam was not serious but this game was SERIOUS SAM BABY! music 10/10 gameplay 10/10 in conclusion WAR!!!
A great standalone expansion of SS4. If you love the SS games, you wont be disappointed.
I haven't had this much fun since Serious Sam II. The addictive graphics and sounds make it perfect for a Friday night game.
Steam reviews, mixed to match its Steam ratio and rotated daily. Opinions are theirs.
Cite this score
Serious Sam: Siberian Mayhem scores 84/100 on the BANG Score (worth it) as of Oct 2, 2026. The BANG Score rates what a game is worth for the money. Via Steam BANGERS. https://steambangers.com/game/1792250/serious-sam-siberian-mayhemReviews set the ceiling, and price against real length moves the BANG Score inside it. How it works, and where it is weak → Steam reviews as of Sep 19, price as of Oct 1.
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