IMHO.

Subsurface Circular vs Quodan: Treachery on the Arheid

Subsurface Circular and Quodan: Treachery on the Arheid both land in Indie, Casual 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 Indie, Casual on Steam. Subsurface Circular (2017) is 8 years older than Quodan: Treachery on the Arheid (2025). Quodan: Treachery on the Arheid is currently ~0% cheaper on Steam than Subsurface Circular (2.99 USD vs. 2.99 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 Subsurface Circular

Choose Subsurface Circular if you want an Adventure experience. 1,353 Steam reviews back the pick.

Choose Quodan: Treachery on the Arheid

Choose Quodan: Treachery on the Arheid if it's the newer release (2025) and ships with the modern feature baseline. Quodan: Treachery on the Arheid launched in 2025.

Both Subsurface Circular and Quodan: Treachery on the Arheid sit in Indie and Casual 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

Subsurface Circular vs Quodan: Treachery on the Arheid — Steam metadata comparison
Subsurface Circular — Steam game coverSubsurface CircularQuodan: Treachery on the Arheid — Steam game coverQuodan: Treachery on the Arheid
Released20172025
GenresIndie, Adventure, CasualIndie, Casual
PlatformsWindows, macOSWindows
Steam DeckDeck PlayableUnrated
Price2.99 USD2.99 USD
Steam reviews94.9% positive (1,353 reviews)2 reviews
MultiplayerSingle-player onlySingle-player only
DevelopersBithell GamesAnonymousTurtle Games

Side by side

Subsurface Circular vs Quodan: Treachery on the Arheid — FAQ

Should I play Subsurface Circular or Quodan: Treachery on the Arheid first?
If you want chronology, Subsurface Circular (2017) came out before Quodan: Treachery on the Arheid (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 Subsurface Circular and Quodan: Treachery on the Arheid similar?
They overlap on Indie, Casual 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 Subsurface Circular run on Steam Deck?
Yes — Subsurface Circular is rated Deck Playable by Valve. Quodan: Treachery on the Arheid doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.
Subsurface Circular vs Quodan: Treachery on the Arheid · imho.run