Choose Helen's Mysterious Castle
Choose Helen's Mysterious Castle if it's currently about 75% cheaper on the Steam Store. Helen's Mysterious Castle launched in 2016.
Helen's Mysterious Castle vs The Other: Airi's Adventure
Helen's Mysterious Castle and The Other: Airi's Adventure both land in Indie, RPG, 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 Indie, RPG, Casual on Steam. Helen's Mysterious Castle (2016) is 3 years older than The Other: Airi's Adventure (2019). Helen's Mysterious Castle is currently ~75% cheaper on Steam than The Other: Airi's Adventure (1.99 USD vs. 7.99 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 The Other: Airi's Adventure
Choose The Other: Airi's Adventure if you want an Adventure experience. On Steam, it's the newer release (2019) and ships with the modern feature baseline. The Other: Airi's Adventure launched in 2019.
Both Helen's Mysterious Castle and The Other: Airi's Adventure sit in Indie, RPG, 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
 Helen's Mysterious Castle |  The Other: Airi's Adventure | |
|---|---|---|
| Released | 2016 | 2019 |
| Genres | Indie, RPG, Casual | Indie, Adventure, RPG, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 1.99 USD | 7.99 USD |
| Steam reviews | 92% positive (462 reviews) | 5 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Satsu | Rabbiton |
Side by side
- Both share Indie, RPG, Casual on Steam.
- Helen's Mysterious Castle (2016) is 3 years older than The Other: Airi's Adventure (2019).
- Helen's Mysterious Castle is currently ~75% cheaper on Steam than The Other: Airi's Adventure (1.99 USD vs. 7.99 USD).
Helen's Mysterious Castle vs The Other: Airi's Adventure — FAQ
- Should I play Helen's Mysterious Castle or The Other: Airi's Adventure first?
- If you want chronology, Helen's Mysterious Castle (2016) came out before The Other: Airi's Adventure (2019). 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 Helen's Mysterious Castle and The Other: Airi's Adventure similar?
- They overlap on Indie, RPG, 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.