In Club Penguin, Card-Jitsu Snow is the final game in the card-jitsu series after Card-Jitsu Water and Card-Jitsu Fire. The story follows how Sensei & his ninjas take on the Snow Minions enemies and later their walrus leader, Tusk: a friend from Sensei's childhood, who had since turned against him out of jealousy. Tusk was trapped beneath the snow for years and trained to become the supreme master of Snow. He is Sensei's one-time childhood friend & ultimate enemy, and seeks revenge and power.