Battle Bull - Complete - GameBoyThe player controls a driver of an excavation vehicle as he competes in a 48 level tournament of drilling things. Players have to kill rival drivers only by pushing huge stones at them. Most of the other stones are a permanent part of the underground cavern; while others can be used to eliminate the opponents. Money is earned after each level for the purpose of upgrading the player's vehicle. Players can improve their engines, purchase extra lives,