Game finder
Island Market Simulator
Released
Co-op check
verified on Sep 3, 2026
Play together
The structured co-op details for this game are currently being verified.
Island Market Simulator is a management game about operating a shop, production systems, farming and animal husbandry with other players. Divide tasks and build up a growing island business.
Co-op features since version 1.0
Version 1.0 launched on September 3, 2026, adding online lobbies and voice chat. The update also introduced a larger world, worker management, new animals, fishing, a sushi market and improved tutorials.
Steam lists online co-op on Windows and SteamOS/Linux. Neither the official store listing nor the developer announcement clearly states a maximum co-op party size, so no upper limit is assumed here.
See the English Steam store for the available features.
Yes; version 1.0 also introduced online lobbies and voice chat.
A maximum co-op group size is not confirmed in the cited official sources.
September 3, 2026.
Windows and SteamOS/Linux are listed on Steam.