Choose Poly Survivor
Choose Poly Survivor if it's currently about 60% cheaper on the Steam Store. Poly Survivor launched in 2023.
Poly Survivor vs Crystal Keepers
Poly Survivor and Crystal Keepers both land in Action, 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 Action, Indie, Casual on Steam. Poly Survivor (2023) is 2 years older than Crystal Keepers (2025). Poly Survivor is currently ~60% cheaper on Steam than Crystal Keepers (1.99 USD vs. 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 Crystal Keepers
Choose Crystal Keepers if you want a Strategy, RPG, and Early Access game with Multi-player, Online Co-op, and Co-op. On Steam, it has co-op, so you can bring a friend. Crystal Keepers launched in 2025.
Both Poly Survivor and Crystal Keepers sit in Action, Indie, and Casual 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
 Poly Survivor |  Crystal Keepers | |
|---|---|---|
| Released | 2023 | 2025 |
| Genres | Action, Indie, Casual | Action, Strategy, Indie, RPG, Casual, Early Access |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 1.99 USD | 4.99 USD |
| Steam reviews | 1 reviews | 2 reviews |
| Multiplayer | Single-player only | Multi-player, Online Co-op, Co-op |
| Developers | BestQ | Polycon |
Side by side
- Both share Action, Indie, Casual on Steam.
- Poly Survivor (2023) is 2 years older than Crystal Keepers (2025).
- Poly Survivor is currently ~60% cheaper on Steam than Crystal Keepers (1.99 USD vs. 4.99 USD).
- Crystal Keepers has co-op; Poly Survivor does not.
Poly Survivor vs Crystal Keepers — FAQ
- Should I play Poly Survivor or Crystal Keepers first?
- If you want chronology, Poly Survivor (2023) came out before Crystal Keepers (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 Poly Survivor and Crystal Keepers similar?
- They overlap on Action, 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.
- Does Poly Survivor have multiplayer like Crystal Keepers?
- No. Crystal Keepers supports multiplayer on Steam (Multi-player, Online Co-op, Co-op), while Poly Survivor is listed as single-player only.