IMHO.

Quantum Conundrum vs The Hardest Thing

Quantum Conundrum and The Hardest Thing both land in Strategy, 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 Strategy, Casual on Steam. Quantum Conundrum (2012) is 6 years older than The Hardest Thing (2018). The Hardest Thing is currently ~56% cheaper on Steam than Quantum Conundrum (3.99 USD vs. 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.

Side-by-side comparison

Quantum Conundrum vs The Hardest Thing — Steam metadata comparison
Quantum Conundrum — Steam game coverQuantum ConundrumThe Hardest Thing — Steam game coverThe Hardest Thing
Released20122018
GenresStrategy, CasualStrategy, Indie, Adventure, Casual
PlatformsWindowsWindows
Steam DeckDeck PlayableUnrated
Price8.99 USD3.99 USD
Steam reviews84.3% positive (1,308 reviews)8 reviews
MultiplayerSingle-player onlySingle-player only
DevelopersAirtight GamesChillFun

Side by side

Quantum Conundrum vs The Hardest Thing — FAQ

Should I play Quantum Conundrum or The Hardest Thing first?
If you want chronology, Quantum Conundrum (2012) came out before The Hardest Thing (2018). 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 Quantum Conundrum and The Hardest Thing similar?
They overlap on Strategy, 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 Quantum Conundrum run on Steam Deck?
Yes — Quantum Conundrum is rated Deck Playable by Valve. The Hardest Thing doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.