Your task is to save yourself from patrols of mutant robots by dropping rocks on them. Each of the robots has a single large eye which emits a yellow beam of light. Being caught in this beam reduces your strength and, if you are not carrying a rock, causes the robot to metamorphose. It may change into either a spectre or a cruncher.
Z - Left, X - Right, : - Up, ? - Down, SHIFT - Get Rock, SPACE - Drop Rock
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