Blaster Master Boy is a 1991 action video game developed and published by Sunsoft. The game is a spin-off of the Blaster Master series and features Jason, the protagonist of Blaster Master, with his car Sophia not present. Players have various abilities, including making Jason fire a gun and plant bombs that can be used to damage enemies and environment. Players will encounter power-ups that will allow Jason to clear obstacles and get stronger and transform himself three times with new pieces of armor and change his appearance to different battle armor. It was released for the Game Boy in 1991.