At the start of each round, a certain number of eggs hatch into Sno-Bees, while other blocks flash to indicate that they contain eggs. As the player destroys active Sno-Bees, new ones hatch from the eggs to replace them. Crushing multiple Sno-Bees with one block awards extra points. The Sno-Bees can crush blocks in an attempt to reach Pengo. Pushing against a wall causes it to vibrate and temporarily stuns any Sno-Bees in contact with it; the player may then crush them with a block or simply run over them to destroy them. Contact with a Sno-Bee costs the player one life.