Collectible Creatures with a Twist. Kuroba is a new way to play rock, paper, scissors! Select your play strategy and battle with your friends or train with your own practice cube! Don't get caught in the weeds when you're fighting Umblerleaf, a stealthy and mischievous Terra Kuro that can climb through and around any obstacle and smother it before it can make a move. Known to cover entire cities, Umberleafs are protective of their environment and can quickly get out of hand if not respected. Turns into a giant monster in battle - the vines grow around her and they operate from the center. Powerful vine monster can crush any opponent.