 Along the way, the robot encounters wooden blocks, which can be blown up or sawed through, boulders of different types, dirt, which can be shot away with the robot's blaster, and a variety of monsters.The robot can also discover shields, radioactivity protection, deposits of copper, silver and gold, and caches of TNT.The metal deposits become bonuses to the player's score, while the other items can be used to complete various levels of the game.