Description of Rock World Explore Rock World in vibrant city filled with fun unlockable content in two game modes: Courier and Zombie Slayer. In Courier, you'll deliver packages and earn cash. Use boosts that last 30 seconds to speed up and deliver as much packages as you can! As you complete deliveries, you'll unlock new buildings and upgrades t67rummy.comhat help you on your mission. In Zombie Slayer, you'll face off against hordes of cartoonish zombies in a fight for survival. Use a variety of silly weapons and characters to clear levels and earn cash. With each level you conquer, the difficulty ramps up, so you'll need to stay on your toes to survive! Version history Rock World New in RockWorld 1.0.2 -Update 1.0.2 Please rate this app