Captain Sonar: Upgrade One

Players: 2–8 players
Play time: 12–45 min
BGG rating: 7.6

In Captain Sonar, up to eight players take on roles manning a submarine in a fierce battle against rival players. Captain Sonar: Upgrade One adds new elements to the base game, including five new scenarios, two new weapons, eight erasable markers, and different ways to play the Captain and Radio Operator roles.

Prices

Best price for Captain Sonar: Upgrade One: €19.18 at Gameplay, shipping included. Compared across 4 stores shipping to Portugal, last checked 1 October 2026.

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