Captain Sonar: Upgrade One is the first expansion for the innovative hit board game Captain Sonar! This expansion adds new elements to gameplay, including five new scenarios, two brand-new weapons, and different ways to play the Captain and Radio Operator roles. Make your submarine duels more exciting than ever before! This product is an expansion: Captain Sonar base game required to play.

Ages: 14+
Players: 2-8
Playtime: 12-45 minutes