Underwater Addition Mission, Layer by Layer

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About the Game

Put a mathematical twist on the classic card game "War!" In place of ordinary flashcard drills, players solve basic addition, subtraction, multiplication, and division facts as they try to win all the cards in the deck. (108) 3 inch x 4-1/2 inch cards. 2 or more players.

Filed Under

Categories: Card Game Educational Math
Mechanics: Trick-taking
BGG data: refreshed Sep 5, 2026