Cyber Troopers Virtual-On Oratorio Tangram (電脳戦機バーチャロン オラトリオ・タングラム, Dennō Senki Bācharon Oratorio Tanguramu) is a 1998 Japanese Sega Model 3 arcade game that was later ported to the Sega NAOMI arcades and then later for the Dreamcast home console in Japan in 1999 & North America in 2000. Oratorio Tangram is a 3D fighting game where the player assumes control of a giant humanoid robot, and a sequel to the 1995 video game Virtual On: Cyber Troopers.