IMHO.

Specimen 13 vs Monstrum 2 Beta

Specimen 13 and Monstrum 2 Beta both land in Action, Indie, 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, Indie, Adventure on Steam. Specimen 13 (2020) is 1 year older than Monstrum 2 Beta (2021). Monstrum 2 Beta is free; Specimen 13 is paid (8.99 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 Specimen 13

Choose Specimen 13 if it matches what drew you to this matchup. Specimen 13 launched in 2020.

Choose Monstrum 2 Beta

Choose Monstrum 2 Beta if you want an Early Access experience. On Steam, it's free to play, so the barrier to trying it is zero. Monstrum 2 Beta launched in 2021.

Both Specimen 13 and Monstrum 2 Beta sit in Action, Indie, and Adventure on Steam and both list Multi-player, Online PvP, and Online 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

Specimen 13 vs Monstrum 2 Beta — Steam metadata comparison
Specimen 13 — Steam game coverSpecimen 13Monstrum 2 Beta — Steam game coverMonstrum 2 Beta
Released20202021
GenresAction, Indie, AdventureAction, Indie, Adventure, Early Access
PlatformsWindowsWindows
Steam DeckUnratedUnrated
Price8.99 USDFree to play
Steam reviews5 reviews53.2% positive (94 reviews)
MultiplayerMulti-player, Online Co-op, Co-opMulti-player, Online Co-op, Co-op
DevelopersSpire InteractiveTeam Junkfish

Side by side

Specimen 13 vs Monstrum 2 Beta — FAQ

Should I play Specimen 13 or Monstrum 2 Beta first?
If you want chronology, Specimen 13 (2020) came out before Monstrum 2 Beta (2021). 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 Specimen 13 and Monstrum 2 Beta similar?
They overlap on Action, Indie, 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 Specimen 13 and Monstrum 2 Beta have co-op?
Yes — both list a co-op category on Steam. Specifics differ: Specimen 13 ships Online Co-op, Co-op; Monstrum 2 Beta ships Online Co-op, Co-op.
Is Monstrum 2 Beta free?
Yes — Monstrum 2 Beta is a free-to-play Steam title. Specimen 13 is paid (8.99 USD).
Specimen 13 vs Monstrum 2 Beta — Verdict (2026) · imho.run