Choose The Callisto Protocol™
Choose The Callisto Protocol™ if it's Steam Deck Verified, so handheld play works out of the box. 16,074 Steam reviews back the pick.
The Callisto Protocol™ vs SPIRITUS 2
The Callisto Protocol™ and SPIRITUS 2 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. The Callisto Protocol™ (2022) is 1 year older than SPIRITUS 2 (2023). SPIRITUS 2 is currently ~87% cheaper on Steam than The Callisto Protocol™ (7.99 USD vs. 59.99 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 SPIRITUS 2
Choose SPIRITUS 2 if it's currently about 87% cheaper on the Steam Store. SPIRITUS 2 launched in 2023.
Both The Callisto Protocol™ and SPIRITUS 2 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
 The Callisto Protocol™ |  SPIRITUS 2 | |
|---|---|---|
| Released | 2022 | 2023 |
| Genres | Action, Adventure | Action, Adventure |
| Platforms | Windows | Windows, Linux |
| Steam Deck | Deck Verified | Unrated |
| Price | 59.99 USD | 7.99 USD |
| Steam reviews | 66.4% positive (16,074 reviews) | 2 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Striking Distance Studios | Spacefarer Games Ltd |
Side by side
- Both share Action, Adventure on Steam.
- The Callisto Protocol™ (2022) is 1 year older than SPIRITUS 2 (2023).
- SPIRITUS 2 is currently ~87% cheaper on Steam than The Callisto Protocol™ (7.99 USD vs. 59.99 USD).
- The Callisto Protocol™ is Deck Verified on Steam Deck; SPIRITUS 2 has no Deck rating yet.
The Callisto Protocol™ vs SPIRITUS 2 — FAQ
- Should I play The Callisto Protocol™ or SPIRITUS 2 first?
- If you want chronology, The Callisto Protocol™ (2022) came out before SPIRITUS 2 (2023). 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 The Callisto Protocol™ and SPIRITUS 2 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 The Callisto Protocol™ run on Steam Deck?
- Yes — The Callisto Protocol™ is rated Deck Verified by Valve. SPIRITUS 2 doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.