Each time the player successfully hits an enemy spaceship, they earn 1 point. The enemies also have a mothership that fights back—if the player lands a shot on the mothership, they gain 2 points, but if the mothership hits the player's ship, it's game over. The objective is to score as many points as possible before losing. The game is designed for single-player gameplay, with each round offering a new challenge. To play, use left and right arrows to move the ship. To shoot, click the space button.