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.

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