Play against another human or AI opponents. Place pieces on a board divided into 32 squares. Win by getting four pieces in a row around the circle, in a line from the center, or in a spiral. Track turns and piece placements during gameplay.
Play a -paced game by tapping bright squares before the timer ends. Avoid touching unlit squares to keep score. Earn achievements and compete globally via Game Center.
Explore endless levels as Jack, a scientist in a , travels to alien planets. Fight creatures in five ecosystems: jungle, gem, ice, desert, and lava. Collect gems to upgrade the robot's abilities.