Choose The Fermi Paradox
Choose The Fermi Paradox if it matches what drew you to this matchup. The Fermi Paradox launched in 2021.
The Fermi Paradox vs Once Upon The Universe
The Fermi Paradox and Once Upon The Universe both land in Strategy, Indie, Simulation 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, Indie, Simulation on Steam. The Fermi Paradox (2021) is 5 years older than Once Upon The Universe (2026). Once Upon The Universe is currently ~53% cheaper on Steam than The Fermi Paradox (8.99 USD vs. 18.99 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 Once Upon The Universe
Choose Once Upon The Universe if it's currently about 53% cheaper on the Steam Store. Once Upon The Universe launched in 2026.
Both The Fermi Paradox and Once Upon The Universe sit in Strategy, Indie, and Simulation 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
 The Fermi Paradox |  Once Upon The Universe | |
|---|---|---|
| Released | 2021 | 2026 |
| Genres | Strategy, Indie, Simulation, Early Access | Strategy, Indie, Simulation, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Deck Unsupported | Unrated |
| Price | 18.99 USD | 8.99 USD |
| Steam reviews | 75.9% positive (854 reviews) | 7 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Anomaly Games | Paweł Witkowski ByteEncode |
Side by side
- Both share Strategy, Indie, Simulation on Steam.
- The Fermi Paradox (2021) is 5 years older than Once Upon The Universe (2026).
- Once Upon The Universe is currently ~53% cheaper on Steam than The Fermi Paradox (8.99 USD vs. 18.99 USD).
- The Fermi Paradox is Deck Unsupported on Steam Deck; Once Upon The Universe has no Deck rating yet.
The Fermi Paradox vs Once Upon The Universe — FAQ
- Should I play The Fermi Paradox or Once Upon The Universe first?
- If you want chronology, The Fermi Paradox (2021) came out before Once Upon The Universe (2026). 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 The Fermi Paradox and Once Upon The Universe similar?
- They overlap on Strategy, Indie, Simulation 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.