Choose Serious Sam: Siberian Mayhem
Choose Serious Sam: Siberian Mayhem if it matches what drew you to this matchup. 1,520 Steam reviews back the pick.
Serious Sam: Siberian Mayhem vs FLESHCANCER
Serious Sam: Siberian Mayhem and FLESHCANCER both land in Action, Adventure on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both share Action, Adventure on Steam. Serious Sam: Siberian Mayhem (2022) is 4 years older than FLESHCANCER (2026). FLESHCANCER scores higher on Steam reviews (93.5% positive) than Serious Sam: Siberian Mayhem (91.4% positive). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose FLESHCANCER
Choose FLESHCANCER if you want an Early Access game with Online PvP, LAN PvP, and PvP. On Steam, it's currently about 87% cheaper on the Steam Store. FLESHCANCER launched in 2026.
Both Serious Sam: Siberian Mayhem and FLESHCANCER sit in Action and Adventure on Steam and both list Multi-player, Online Co-op, and Co-op, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 Serious Sam: Siberian Mayhem |  FLESHCANCER | |
|---|---|---|
| Released | 2022 | 2026 |
| Genres | Action, Adventure | Action, Adventure, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 19.99 USD | 2.69 USD |
| Steam reviews | 91.4% positive (1,520 reviews) | 93.5% positive (46 reviews) |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Online Co-op, Co-op |
| Developers | Croteam, Timelock Studio | Empires of the Cake |
Side by side
- Both share Action, Adventure on Steam.
- Serious Sam: Siberian Mayhem (2022) is 4 years older than FLESHCANCER (2026).
- FLESHCANCER scores higher on Steam reviews (93.5% positive) than Serious Sam: Siberian Mayhem (91.4% positive).
- FLESHCANCER is currently ~87% cheaper on Steam than Serious Sam: Siberian Mayhem (2.69 USD vs. 19.99 USD).
- Both support cooperative play.
- Serious Sam: Siberian Mayhem is Deck Playable on Steam Deck; FLESHCANCER has no Deck rating yet.
Serious Sam: Siberian Mayhem vs FLESHCANCER — FAQ
- Should I play Serious Sam: Siberian Mayhem or FLESHCANCER first?
- If you want chronology, Serious Sam: Siberian Mayhem (2022) came out before FLESHCANCER (2026). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are Serious Sam: Siberian Mayhem and FLESHCANCER similar?
- They overlap on Action, Adventure on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
- Do both Serious Sam: Siberian Mayhem and FLESHCANCER have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Serious Sam: Siberian Mayhem ships Online Co-op, Co-op; FLESHCANCER ships Online Co-op, Co-op.
- Does Serious Sam: Siberian Mayhem run on Steam Deck?
- Yes — Serious Sam: Siberian Mayhem is rated Deck Playable by Valve. FLESHCANCER doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.