In the puzzle platformer Portal Dogs a horde of dogs are following
its king through the portal world. The catch: you play with all
dogs simultaneously. As king of the dogs your mission is to find
all your loyal subjects and get them safely to the portal. The
second you wake up another dog he will simultaneously follow your
movements. You succeed by finding your way to the portal. You are
mastering the mission if you save all your loyal subjects find the
golden bone and get to the portal.