Planet Mu is in danger in Attack of the Moosters and its inhabitants - cows - have sent an expedition to find and collect one hundred bells to save their planet. In reality, the game is a bubble shooter turned on its head. You need to click on groups of three or more bubbles of the same color located nearby. Collect mula - this is the game currency for destroying groups of bubbles. In addition, collect crystals to increase the level of heroes, as well as bells in Attack of the Moosters.
