Choose Project Blue Book: Hidden Mysteries
Choose Project Blue Book: Hidden Mysteries if you want an Indie experience. On Steam, it's currently about 65% cheaper on the Steam Store. Project Blue Book: Hidden Mysteries launched in 2021.
Project Blue Book: Hidden Mysteries vs Dark City: Paris Collector's Edition
Project Blue Book: Hidden Mysteries and Dark City: Paris Collector's Edition both land in Adventure, 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 Adventure, Casual on Steam. Both released in 2021. Project Blue Book: Hidden Mysteries is currently ~65% cheaper on Steam than Dark City: Paris Collector's Edition (6.99 USD vs. 19.99 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 Dark City: Paris Collector's Edition
Choose Dark City: Paris Collector's Edition if it matches what drew you to this matchup. Dark City: Paris Collector's Edition launched in 2021.
Both Project Blue Book: Hidden Mysteries and Dark City: Paris Collector's Edition sit in Adventure and Casual 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
 Project Blue Book: Hidden Mysteries |  Dark City: Paris Collector's Edition | |
|---|---|---|
| Released | 2021 | 2021 |
| Genres | Indie, Adventure, Casual | Adventure, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 6.99 USD | 19.99 USD |
| Steam reviews | 3 reviews | 4 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Three Gates | Friendly Fox |
Side by side
- Both share Adventure, Casual on Steam.
- Both released in 2021.
- Project Blue Book: Hidden Mysteries is currently ~65% cheaper on Steam than Dark City: Paris Collector's Edition (6.99 USD vs. 19.99 USD).
Project Blue Book: Hidden Mysteries vs Dark City: Paris Collector's Edition — FAQ
- Are Project Blue Book: Hidden Mysteries and Dark City: Paris Collector's Edition similar?
- They overlap on Adventure, 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.