Captain Sonar - Upgrade One Expansion Board Game Accessories this is the upgrade frame

this is the upgrade frame for you

besides completely balanced terrain hex distributions the compact version also allows for set-ups containing very few hexes of a particular terrain type

For 1-7 players

the child indicates a feature of the animal to be guessed

100 Sleeves Total

Captain Sonar - Upgrade One Expansion Board Game Accessories this is the upgrade frameIn 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.