This game came with the Toshiba HX-10 MSX computer package. Players take on the role of the Toshiba's blueprint man inside the machine. The goal in the game is to unlock the secret of the flags and crack their code to find the correct path through a maze. But on the way to trying to escape electric shocks and other moving hazards such as moving microchips need to be avoided. Moving around the computer the blueprint man can recharge himself using batteries.