Choose Heat Signature
Choose Heat Signature if you want an Action and Strategy experience. 6,133 Steam reviews back the pick.
Heat Signature vs Infinite Space III: Sea of Stars
Heat Signature and Infinite Space III: Sea of Stars both land in 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 Indie, Adventure on Steam. Infinite Space III: Sea of Stars (2015) is 2 years older than Heat Signature (2017). Heat Signature scores higher on Steam reviews (94.8% positive) than Infinite Space III: Sea of Stars (72.9% 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 Infinite Space III: Sea of Stars
Choose Infinite Space III: Sea of Stars if it's currently about 67% cheaper on the Steam Store. Infinite Space III: Sea of Stars launched in 2015.
Both Heat Signature and Infinite Space III: Sea of Stars sit in 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
 Heat Signature |  Infinite Space III: Sea of Stars | |
|---|---|---|
| Released | 2017 | 2015 |
| Genres | Action, Strategy, Indie, Adventure | Indie, Adventure |
| Platforms | Windows | Windows, macOS |
| Steam Deck | Deck Unsupported | Unrated |
| Price | 14.99 USD | 4.99 USD |
| Steam reviews | 94.8% positive (6,133 reviews) | 72.9% positive (48 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Suspicious Developments | Digital Eel |
Side by side
- Both share Indie, Adventure on Steam.
- Infinite Space III: Sea of Stars (2015) is 2 years older than Heat Signature (2017).
- Heat Signature scores higher on Steam reviews (94.8% positive) than Infinite Space III: Sea of Stars (72.9% positive).
- Infinite Space III: Sea of Stars is currently ~67% cheaper on Steam than Heat Signature (4.99 USD vs. 14.99 USD).
- Heat Signature is Deck Unsupported on Steam Deck; Infinite Space III: Sea of Stars has no Deck rating yet.
Heat Signature vs Infinite Space III: Sea of Stars — FAQ
- Should I play Heat Signature or Infinite Space III: Sea of Stars first?
- If you want chronology, Infinite Space III: Sea of Stars (2015) came out before Heat Signature (2017). 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 Heat Signature and Infinite Space III: Sea of Stars similar?
- They overlap on 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.