Captain Sonar: Chicago Map, Layer by Layer

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Expansions & Promos

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About the Game

This promo set was given out at the Asmodee booth at Gen Con. It included four two sided maps: two Captain Functions and two Radio Operator Functions. A set of these is yellow and another in green. One side of each map is divided into four quadrants, the other into nine quadrants. The map is of the Great Lakes region near Chicago.

Filed Under

Categories: Deduction Expansion for Base-game Fighting Nautical Real-time
Mechanics: Grid Movement Line Drawing Role Playing Secret Unit Deployment Simulation Team-Based Game
Family: Captain Sonar
BGG ratings: 66 · geek rating 5.54
BGG data: refreshed Sep 7, 2026

Captain Sonar: Chicago Map 2016