Choose Synth Run
Choose Synth Run if you want a Casual experience. Synth Run launched in 2021.
Synth Run vs Impossible Challenge
Synth Run and Impossible Challenge 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. Synth Run (2021) is 1 year older than Impossible Challenge (2022). Impossible Challenge is currently ~40% cheaper on Steam than Synth Run (2.99 USD vs. 4.99 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 Impossible Challenge
Choose Impossible Challenge if you want an Action and Adventure experience. On Steam, it's currently about 40% cheaper on the Steam Store. Impossible Challenge launched in 2022.
Both Synth Run and Impossible Challenge 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
 Synth Run |  Impossible Challenge | |
|---|---|---|
| Released | 2021 | 2022 |
| Genres | Indie, Casual | Action, Indie, Adventure |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 4.99 USD | 2.99 USD |
| Steam reviews | 4 reviews | 1 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Gruffers Studio, Jack Macey | Hypnos Games |
Side by side
- Both are Indie games on Steam.
- Synth Run (2021) is 1 year older than Impossible Challenge (2022).
- Impossible Challenge is currently ~40% cheaper on Steam than Synth Run (2.99 USD vs. 4.99 USD).
Synth Run vs Impossible Challenge — FAQ
- Should I play Synth Run or Impossible Challenge first?
- If you want chronology, Synth Run (2021) came out before Impossible Challenge (2022). 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 Synth Run and Impossible Challenge 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.