The game takes place in a futuristic laboratory setting, where the player controls a device that harnesses the power of grimace to propel bullets at high speeds. To play, the user must adjust the spin speed and velocity of the device to create the perfect projectile.
The main objective is to precisely control the bullet's trajectory and timing to destroy moles and other creatures that are invading the laboratory. The player's accuracy and speed are constantly challenged as the game features increasingly difficult levels and obstacles. The game runs in the browser, requiring no download or registration to access it immediately. With a focus on quick reflexes and strategy, the game demands the player's full attention to succeed.