Team up with your friends and build a thriving trade empire in this CO-OP strategy and economy simulation set on a lively island. Begin with a small m
Prototype sample data: the rating and review count come from the written sample reviews below, and the follower count is derived from the game's own row so it stays put between reloads. None of it is real user data.
The original listing, then every content update Island Market Simulator has shipped since.
Team up with your friends and build a thriving trade empire in this CO-OP strategy and economy simulation set on a lively island. Begin with a small m
Launched on September 3rd, 2026
Update Sep 4, 2026
Update Sep 3, 2026
Update titles, dates and links are real Steam announcements, captured once and stored with the catalog; routine hotfixes are filtered out. The vote count beside each one is the prototype's own counter, not anything Steam reports. Every game's updates →