Cave King is a distinctive online slot game designed by High 5 Games. It has a prehistoric theme, with symbols portraying bright green friendly looking dinosaurs, large woolly mammoths and fierce sabre toothed tigers are all present, together with burning lava streams. Cave King has five reels, and thirty pay lines. The background seems to be a hilly landscape with palm trees and a couple of erupting volcanoes in sight. Cave King can be played on any modern mobile device as well, whether an Android or iOS device.