Choose Girl Genius: Adventures In Castle Heterodyne
Choose Girl Genius: Adventures In Castle Heterodyne if it's Steam Deck Verified, so handheld play works out of the box. Girl Genius: Adventures In Castle Heterodyne launched in 2023.
Girl Genius: Adventures In Castle Heterodyne vs Valledi
Girl Genius: Adventures In Castle Heterodyne and Valledi both land in Action, Adventure 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 Action, Adventure on Steam. Girl Genius: Adventures In Castle Heterodyne (2023) is 1 year older than Valledi (2024). Valledi is currently ~77% cheaper on Steam than Girl Genius: Adventures In Castle Heterodyne (6.99 USD vs. 29.99 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 Valledi
Choose Valledi if you want an Indie experience. On Steam, it's currently about 77% cheaper on the Steam Store. Valledi launched in 2024.
Both Girl Genius: Adventures In Castle Heterodyne and Valledi sit in Action and Adventure 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
 Girl Genius: Adventures In Castle Heterodyne |  Valledi | |
|---|---|---|
| Released | 2023 | 2024 |
| Genres | Action, Adventure | Action, Indie, Adventure |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 29.99 USD | 6.99 USD |
| Steam reviews | 87% positive (54 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Rain Games | Constantly Bored Studio |
Side by side
- Both share Action, Adventure on Steam.
- Girl Genius: Adventures In Castle Heterodyne (2023) is 1 year older than Valledi (2024).
- Valledi is currently ~77% cheaper on Steam than Girl Genius: Adventures In Castle Heterodyne (6.99 USD vs. 29.99 USD).
- Girl Genius: Adventures In Castle Heterodyne is Deck Verified on Steam Deck; Valledi has no Deck rating yet.
Girl Genius: Adventures In Castle Heterodyne vs Valledi — FAQ
- Should I play Girl Genius: Adventures In Castle Heterodyne or Valledi first?
- If you want chronology, Girl Genius: Adventures In Castle Heterodyne (2023) came out before Valledi (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 Girl Genius: Adventures In Castle Heterodyne and Valledi similar?
- They overlap on Action, Adventure 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.
- Does Girl Genius: Adventures In Castle Heterodyne run on Steam Deck?
- Yes — Girl Genius: Adventures In Castle Heterodyne is rated Deck Verified by Valve. Valledi doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.