Choose Runi's Math Castle
Choose Runi's Math Castle if you want the Adjustable Difficulty and Save Anytime side of the pairing. On Steam, it's currently about 50% cheaper on the Steam Store. Runi's Math Castle launched in 2024.
Runi's Math Castle vs Is This Seat Taken?
Runi's Math Castle and Is This Seat Taken? both land in Indie, 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, Casual on Steam. Runi's Math Castle (2024) is 1 year older than Is This Seat Taken? (2025). Runi's Math Castle is currently ~50% cheaper on Steam than Is This Seat Taken? (4.99 USD vs. 9.99 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 Is This Seat Taken?
Choose Is This Seat Taken? if you want the Camera Comfort side of the pairing. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 4,976 Steam reviews back the pick.
Both Runi's Math Castle and Is This Seat Taken? sit in Indie and Casual on Steam and both list Color Alternatives, Custom Volume Controls, and Playable without Timed Input, 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
 Runi's Math Castle |  Is This Seat Taken? | |
|---|---|---|
| Released | 2024 | 2025 |
| Genres | Indie, Casual | Indie, Casual |
| Platforms | Windows | Windows, macOS, Linux |
| Steam Deck | Unrated | Deck Verified |
| Price | 4.99 USD | 9.99 USD |
| Steam reviews | 1 reviews | 97.4% positive (4,976 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Nicole Haynie, Wesley Barros, sillylittlemuse | Poti Poti Studio |
Side by side
- Both share Indie, Casual on Steam.
- Runi's Math Castle (2024) is 1 year older than Is This Seat Taken? (2025).
- Runi's Math Castle is currently ~50% cheaper on Steam than Is This Seat Taken? (4.99 USD vs. 9.99 USD).
- Is This Seat Taken? is Deck Verified on Steam Deck; Runi's Math Castle has no Deck rating yet.
Runi's Math Castle vs Is This Seat Taken? — FAQ
- Should I play Runi's Math Castle or Is This Seat Taken? first?
- If you want chronology, Runi's Math Castle (2024) came out before Is This Seat Taken? (2025). 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 Runi's Math Castle and Is This Seat Taken? similar?
- They overlap on Indie, 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.