Players can use three buttons: to attack left, attack right, or use special tactics. In the arcade version, inserting more coins and pressing START increases the maximum life of the player. In an RPG style, completing stages and collecting yellow orbs increase the experience points of the player in order to level-up, where he gains more vitality and use stronger weapons. These weapons are upgraded for every 3rd blue orb collected. In-game treasure increases player score, and food packs replenish vitality.