Choose Stellar Interface
Choose Stellar Interface if you want a Casual game with Custom Volume Controls, Stereo Sound, and Keyboard Only Option. Stellar Interface launched in 2016.
Stellar Interface vs Promethium
Stellar Interface and Promethium both land in Action, 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 share Action, Indie on Steam. Stellar Interface (2016) is 1 year older than Promethium (2017). Promethium scores higher on Steam reviews (84.6% positive) than Stellar Interface (75% 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 Promethium
Choose Promethium if it's currently about 69% cheaper on the Steam Store. Promethium launched in 2017.
Both Stellar Interface and Promethium sit in Action and Indie 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
 Stellar Interface |  Promethium | |
|---|---|---|
| Released | 2016 | 2017 |
| Genres | Action, Indie, Casual | Action, Indie |
| Platforms | Windows | Windows, macOS |
| Steam Deck | Unrated | Unrated |
| Price | 12.99 USD | 3.99 USD |
| Steam reviews | 75% positive (108 reviews) | 84.6% positive (13 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | ImaginationOverflow | Xiotex Studios Ltd |
Side by side
- Both share Action, Indie on Steam.
- Stellar Interface (2016) is 1 year older than Promethium (2017).
- Promethium scores higher on Steam reviews (84.6% positive) than Stellar Interface (75% positive).
- Promethium is currently ~69% cheaper on Steam than Stellar Interface (3.99 USD vs. 12.99 USD).
Stellar Interface vs Promethium — FAQ
- Should I play Stellar Interface or Promethium first?
- If you want chronology, Stellar Interface (2016) came out before Promethium (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 Stellar Interface and Promethium similar?
- They overlap on Action, 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.