: Players collect cards like penguins or shells for points, but can also play "Duo" pairs (such as crabs, boats, or a swimmer and shark) to trigger immediate special actions like drawing extra cards or stealing from an opponent .

Despite its compact size, the game offers surprising strategic depth through several key mechanics:

: Once a player reaches 7 points, they must choose how to end the round. They can call "Stop" to end it immediately and score points, or call "Last Chance" to bet they have the highest score. If they win the bet, they earn a bonus; if they lose, they score significantly fewer points .