Captain Sonar: Upgrade 1
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.
Important: This is an expansion, you also need the base game!
Suggested Ages: 14 and up
Language(s): English/French/German
