IMHO.

Heartbound vs UnderMine

Heartbound and UnderMine 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. Heartbound (2018) is 2 years older than UnderMine (2020). UnderMine scores higher on Steam reviews (89.8% positive) than Heartbound (49% 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 Heartbound

Choose Heartbound if you want an Early Access experience. On Steam, it's currently about 50% cheaper on the Steam Store. 2,577 Steam reviews back the pick.

Choose UnderMine

Choose UnderMine if it carries the stronger Steam consensus at 89.8% positive across 4,358 reviews.

Both Heartbound and UnderMine sit in Action, Indie, 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

Heartbound vs UnderMine — Steam metadata comparison
Heartbound — Steam game coverHeartboundUnderMine — Steam game coverUnderMine
Released20182020
GenresAction, Indie, Adventure, RPG, Early AccessAction, Indie, Adventure, RPG
PlatformsWindows, LinuxWindows, macOS, Linux
Steam DeckDeck VerifiedDeck Verified
Price9.99 USD19.99 USD
Steam reviews49% positive (2,577 reviews)89.8% positive (4,358 reviews)
MultiplayerSingle-player onlySingle-player only
DevelopersPirate SoftwareThorium

Side by side

Heartbound vs UnderMine — FAQ

Which is better, Heartbound or UnderMine?
On Steam reviews UnderMine scores higher (89.8% positive) than Heartbound (49% positive). Both have enough reviews to trust the signal, so for players using reviews alone, UnderMine is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
Should I play Heartbound or UnderMine first?
If you want chronology, Heartbound (2018) came out before UnderMine (2020). 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 Heartbound and UnderMine 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 Heartbound and UnderMine both run on Steam Deck?
Yes — both are Steam Deck Verified, meaning Valve confirms they run with full controller support, legible text, and default settings out of the box.
Heartbound vs UnderMine — Verdict (2026) · imho.run