M2

M2 is a japanese publisher and developer founded in August 8, 1991 by Naoki Horii.

This company is responsible for games like Gauntlet IV, Sega Ages 2500 Series Vol. 31: Cyber Troopers Virtual-On, Gunstar Heroes, Game Center CX: 3-chome no Arino, 3D Space Harrier, Castlevania: The Adventure - ReBirth e Contra ReBirth.