IMHO.

Monstrum vs Moonbase Lambda

Monstrum and Moonbase Lambda both land in Indie 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 are Indie games on Steam. Monstrum (2015) is 10 years older than Moonbase Lambda (2025). Monstrum scores higher on Steam reviews (89.3% positive) than Moonbase Lambda (85.7% 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 Monstrum

Choose Monstrum if you want the VR Supported side of the pairing. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 1,281 Steam reviews back the pick.

Choose Moonbase Lambda

Choose Moonbase Lambda if you want an Action experience. On Steam, it's currently about 72% cheaper on the Steam Store. Moonbase Lambda launched in 2025.

Both Monstrum and Moonbase Lambda sit in Indie 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

Monstrum vs Moonbase Lambda — Steam metadata comparison
Monstrum — Steam game coverMonstrumMoonbase Lambda — Steam game coverMoonbase Lambda
Released20152025
GenresIndieAction, Indie
PlatformsWindows, macOS, LinuxWindows
Steam DeckDeck VerifiedUnrated
Price17.99 USD4.99 USD
Steam reviews89.3% positive (1,281 reviews)85.7% positive (14 reviews)
MultiplayerSingle-player onlySingle-player only
DevelopersTeam JunkfishThunderfox Studio

Side by side

Monstrum vs Moonbase Lambda — FAQ

Should I play Monstrum or Moonbase Lambda first?
If you want chronology, Monstrum (2015) came out before Moonbase Lambda (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 Monstrum and Moonbase Lambda similar?
They overlap on Indie 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 Monstrum run on Steam Deck?
Yes — Monstrum is rated Deck Verified by Valve. Moonbase Lambda doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.
Monstrum vs Moonbase Lambda — Verdict (2026) · imho.run