Choose Quantum Conundrum
Choose Quantum Conundrum if it matches what drew you to this matchup. 1,308 Steam reviews back the pick.
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.
Which should you pick?
Choose The Hardest Thing
Choose The Hardest Thing if you want an Indie and Adventure experience. On Steam, it's currently about 56% cheaper on the Steam Store. The Hardest Thing launched in 2018.
Both Quantum Conundrum and The Hardest Thing sit in Strategy and Casual on Steam and both list Steam Leaderboards, 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
 Quantum Conundrum |  The Hardest Thing | |
|---|---|---|
| Released | 2012 | 2018 |
| Genres | Strategy, Casual | Strategy, Indie, Adventure, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 8.99 USD | 3.99 USD |
| Steam reviews | 84.3% positive (1,308 reviews) | 8 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Airtight Games | ChillFun |
Side by side
- 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).
- Quantum Conundrum is Deck Playable on Steam Deck; The Hardest Thing has no Deck rating yet.
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.