Choose Retrocausality
Choose Retrocausality if you want an Adventure and Casual experience. Retrocausality launched in 2023.
Retrocausality vs PROTOTYPE原型
Retrocausality and PROTOTYPE原型 both land in Indie 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 Indie games on Steam. Both released in 2023. PROTOTYPE原型 is free; Retrocausality is paid (4.99 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 PROTOTYPE原型
Choose PROTOTYPE原型 if you want a Free To Play experience. On Steam, it's free to play, so the barrier to trying it is zero. PROTOTYPE原型 launched in 2023.
Both Retrocausality and PROTOTYPE原型 sit in Indie 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
 Retrocausality |  PROTOTYPE原型 | |
|---|---|---|
| Released | 2023 | 2023 |
| Genres | Indie, Adventure, Casual | Indie, Free To Play |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Deck Playable |
| Price | 4.99 USD | Free to play |
| Steam reviews | 4 reviews | 87.3% positive (63 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Thanatos | Veronika Orfeeva |
Side by side
- Both are Indie games on Steam.
- Both released in 2023.
- PROTOTYPE原型 is free; Retrocausality is paid (4.99 USD).
- PROTOTYPE原型 is Deck Playable on Steam Deck; Retrocausality has no Deck rating yet.
Retrocausality vs PROTOTYPE原型 — FAQ
- Are Retrocausality and PROTOTYPE原型 similar?
- They overlap on Indie 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 PROTOTYPE原型 free?
- Yes — PROTOTYPE原型 is a free-to-play Steam title. Retrocausality is paid (4.99 USD).