"Pin-Bot's" main feature is a grid of lights in the center of the playfield, just below the Pin•Bot. The player can fill this grid by hitting the targets above and to the right of it. Once completed, the visor opens, enabling the player to lock two balls in the robot's eye sockets, starting a two-ball multiball mode. The player can then re-lock one of the balls and use the other to score a Solar Value (jackpot) up the left ramp, at which point both balls go back into play. Each shot up the left ramp increases the Solar Value until it is collected, and this jackpot is carried over between games.