Donkey Kong hangs from vines at the center of the screen, and the player-controlled Stanley the exterminator runs and jumps on platforms beneath him. Stanley can shot the donkey Kong and the insects by his gun. Stanley shot on the Donkey Kong, forcing him to the top of the screen and the lever is completed.
The insects are Buzzbees, Beespies, queen bees (which shatter into deadly pieces when destroyed), Creepy Caterpillars, butterflies, beetles, moths, Beebombs and vine eaters. Some of the flying insects attempt to pick up the flowers at the bottom of the screen and carry them away. Lost flowers decrease the bonus at the end of the round.
There are three levels which repeat in a fixed sequence.