Card-Jitsu Snow was the last Card-Jitsu game in Club Penguin, and the fourth addition to the Card-Jitsu Series; succeeding Card-Jitsu Water. Testing began on February 28, 2013 and ended on April 11, 2013. It was released during the Card-Jitsu Party 2013 on May 23, 2013. In the game penguins must take on three Snow Minions enemies: Scrap, Tank, and Sly and later their walrus leader, Tusk; Sensei's former best friend and current worst enemy.