Choose Project Vostok: Episode 1
Choose Project Vostok: Episode 1 if it's free to play, so the barrier to trying it is zero. Project Vostok: Episode 1 launched in 2022.
Project Vostok: Episode 1 vs Sister Other Paranoia
Project Vostok: Episode 1 and Sister Other Paranoia both land in Indie, 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 Indie, Adventure on Steam. Project Vostok: Episode 1 (2022) is 4 years older than Sister Other Paranoia (2026). Project Vostok: Episode 1 is free; Sister Other Paranoia is paid (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 Sister Other Paranoia
Choose Sister Other Paranoia if it's the newer release (2026) and ships with the modern feature baseline. Sister Other Paranoia launched in 2026.
Both Project Vostok: Episode 1 and Sister Other Paranoia sit in Indie 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
 Project Vostok: Episode 1 |  Sister Other Paranoia | |
|---|---|---|
| Released | 2022 | 2026 |
| Genres | Indie, Adventure | Indie, Adventure |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Unrated | Deck Playable |
| Price | Free to play | 7.99 USD |
| Steam reviews | 81.3% positive (16 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Natrix | HazeDenki |
Side by side
- Both share Indie, Adventure on Steam.
- Project Vostok: Episode 1 (2022) is 4 years older than Sister Other Paranoia (2026).
- Project Vostok: Episode 1 is free; Sister Other Paranoia is paid (7.99 USD).
- Sister Other Paranoia is Deck Playable on Steam Deck; Project Vostok: Episode 1 has no Deck rating yet.
Project Vostok: Episode 1 vs Sister Other Paranoia — FAQ
- Should I play Project Vostok: Episode 1 or Sister Other Paranoia first?
- If you want chronology, Project Vostok: Episode 1 (2022) came out before Sister Other Paranoia (2026). 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 Project Vostok: Episode 1 and Sister Other Paranoia similar?
- They overlap on Indie, 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.
- Is Project Vostok: Episode 1 free?
- Yes — Project Vostok: Episode 1 is a free-to-play Steam title. Sister Other Paranoia is paid (7.99 USD).