What is Captain Sonar - Upgrade One Expansion?
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.
Expansion set for the Captain Sonar board game, the core set is required for play
Players: 2 –8
Play Time: 12 – 45 Min
Suitable for ages 14 & up