Choose Serious Sam: Siberian Mayhem
Choose Serious Sam: Siberian Mayhem if you want the Multi-player, Online Co-op, and Co-op side of the pairing. On Steam, it has co-op, so you can bring a friend. 1,520 Steam reviews back the pick.
Serious Sam: Siberian Mayhem vs Shoomer Booter
Serious Sam: Siberian Mayhem and Shoomer Booter 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 3 years older than Shoomer Booter (2025). Shoomer Booter is currently ~55% cheaper on Steam than Serious Sam: Siberian Mayhem (8.99 USD vs. 19.99 USD). 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 Shoomer Booter
Choose Shoomer Booter if you want an Indie and Casual experience. On Steam, it's currently about 55% cheaper on the Steam Store. Shoomer Booter launched in 2025.
Both Serious Sam: Siberian Mayhem and Shoomer Booter sit in Action and Adventure on Steam, 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 |  Shoomer Booter | |
|---|---|---|
| Released | 2022 | 2025 |
| Genres | Action, Adventure | Action, Indie, Adventure, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 19.99 USD | 8.99 USD |
| Steam reviews | 91.4% positive (1,520 reviews) | 6 reviews |
| Multiplayer | Multi-player, Online Co-op, Co-op | Single-player only |
| Developers | Croteam, Timelock Studio | Tommy Gun Walrus |
Side by side
- Both share Action, Adventure on Steam.
- Serious Sam: Siberian Mayhem (2022) is 3 years older than Shoomer Booter (2025).
- Shoomer Booter is currently ~55% cheaper on Steam than Serious Sam: Siberian Mayhem (8.99 USD vs. 19.99 USD).
- Serious Sam: Siberian Mayhem has co-op; Shoomer Booter does not.
- Serious Sam: Siberian Mayhem is Deck Playable on Steam Deck; Shoomer Booter has no Deck rating yet.
Serious Sam: Siberian Mayhem vs Shoomer Booter — FAQ
- Should I play Serious Sam: Siberian Mayhem or Shoomer Booter first?
- If you want chronology, Serious Sam: Siberian Mayhem (2022) came out before Shoomer Booter (2025). 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 Shoomer Booter 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.
- Does Shoomer Booter have multiplayer like Serious Sam: Siberian Mayhem?
- No. Serious Sam: Siberian Mayhem supports multiplayer on Steam (Multi-player, Online Co-op, Co-op), while Shoomer Booter is listed as single-player only.
- Does Serious Sam: Siberian Mayhem run on Steam Deck?
- Yes — Serious Sam: Siberian Mayhem is rated Deck Playable by Valve. Shoomer Booter doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.