IMHO.

Project Zomboid vs PolyZ

Project Zomboid and PolyZ both land in Indie, Early Access 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, Early Access on Steam. Project Zomboid (2013) is 11 years older than PolyZ (2024). Project Zomboid scores higher on Steam reviews (94% positive) than PolyZ (55.9% positive). 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 Project Zomboid

Choose Project Zomboid if you want a Simulation and RPG game with Shared/Split Screen and Shared/Split Screen Co-op. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 147,516 Steam reviews back the pick.

Choose PolyZ

Choose PolyZ if you want an Action, Adventure, and Massively Multiplayer experience. On Steam, it's currently about 85% cheaper on the Steam Store. PolyZ launched in 2024.

Both Project Zomboid and PolyZ sit in Indie and Early Access on Steam and both list Multi-player, Online PvP, and Online Co-op, 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 Zomboid vs PolyZ — Steam metadata comparison
Project Zomboid — Steam game coverProject ZomboidPolyZ — Steam game coverPolyZ
Released20132024
GenresIndie, Simulation, RPG, Early AccessAction, Indie, Adventure, Massively Multiplayer, Early Access
PlatformsWindows, macOS, LinuxWindows
Steam DeckDeck VerifiedDeck Playable
Price19.99 USD2.99 USD
Steam reviews94% positive (147,516 reviews)55.9% positive (68 reviews)
MultiplayerMulti-player, Cross-Platform Multiplayer, Online Co-opMulti-player, Online Co-op, Co-op
DevelopersThe Indie StoneThirteen37 Games™

Side by side

Project Zomboid vs PolyZ — FAQ

Should I play Project Zomboid or PolyZ first?
If you want chronology, Project Zomboid (2013) came out before PolyZ (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 Project Zomboid and PolyZ similar?
They overlap on Indie, Early Access 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.
Do both Project Zomboid and PolyZ have co-op?
Yes — both list a co-op category on Steam. Specifics differ: Project Zomboid ships Online Co-op, Shared/Split Screen Co-op; PolyZ ships Online Co-op, Co-op.