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Crazzy zoo is all about gathering all zoo animals, and you have to very careful not to leave any animal alone. you can pair the animals that are close to each other and you have to make sure that no animals left in the board.
Duck power- power which can be pair with any zoo animals and it removes that animals from the board.
elephant power- power which can be pair with any zoo animals and it removes all animals from the board which you pair with elephant.
Match any two power, That will removes all zoo animals from the board.