Choose Hidden Histories: The Principality
Choose Hidden Histories: The Principality if it matches what drew you to this matchup. Hidden Histories: The Principality launched in 2021.
Hidden Histories: The Principality vs Sidereal
Hidden Histories: The Principality and Sidereal both land in 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 are Casual games on Steam. Hidden Histories: The Principality (2021) is 3 years older than Sidereal (2024). Sidereal is free; Hidden Histories: The Principality is paid (11.99 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 Sidereal
Choose Sidereal if you want an Indie and Adventure game with DualShock Controller Support. On Steam, it's free to play, so the barrier to trying it is zero. Sidereal launched in 2024.
Both Hidden Histories: The Principality and Sidereal sit in 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
 Hidden Histories: The Principality |  Sidereal | |
|---|---|---|
| Released | 2021 | 2024 |
| Genres | Casual | Indie, Adventure, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Deck Playable |
| Price | 11.99 USD | Free to play |
| Steam reviews | 1 reviews | 86.7% positive (15 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Unseelie Count | r7321 |
Side by side
- Both are Casual games on Steam.
- Hidden Histories: The Principality (2021) is 3 years older than Sidereal (2024).
- Sidereal is free; Hidden Histories: The Principality is paid (11.99 USD).
- Sidereal is Deck Playable on Steam Deck; Hidden Histories: The Principality has no Deck rating yet.
Hidden Histories: The Principality vs Sidereal — FAQ
- Should I play Hidden Histories: The Principality or Sidereal first?
- If you want chronology, Hidden Histories: The Principality (2021) came out before Sidereal (2024). 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 Hidden Histories: The Principality and Sidereal similar?
- They overlap on 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.
- Is Sidereal free?
- Yes — Sidereal is a free-to-play Steam title. Hidden Histories: The Principality is paid (11.99 USD).