Math Blaster Episode I: In Search of Spot, known as ????????? in Japan is a product in a line of educational products created by Davidson & Associates and a remake of their earlier New Math Blaster Plus! from 1991. Versions of the game were released for the Super Nintendo Entertainment System and Sega Genesis as simply titled Math Blaster: Episode 1. The program was translated to Spanish and was published as Mates Blaster: En Busca de Positr?n. A remake was done in 1996 released as "Mega Math Blaster". When Knowledge Adventure merged with Davidson & Associates in 1997 the game had a new makeover the follow year under the title Math Blaster: Ages 6-9. Finally it was repackaged as Math Blaster: 3rd Grade in 1999. A sequel called Math Blaster Episode II: Secret of the Lost City was released in 1995.