Be prepared to face off against the ultimate fight between cannons and boulders! You can save the planet from the enemy's rock onslaught by honing your rock-shooting talents, putting them into action, and transporting you to Cloud 9 in excitement, movement, and enjoyment! Spend your spare time destroying the enemy stones and re-shooting the rocks as many times as necessary to complete the mission. Keep your distance from the rocks since they may fall on your gun and damage it if you don't. Be cautious and plan the most acceptable strategy for dealing with the rock onslaught so that you may become the greatest cannon shooting champion.