Top Secret was released in March 1987 in Japan. It is known outside Japan as "Bionic Commando
The main character is Super Joe from "Senjou no Ookami
" and "Rush & Crash
Many Capcom employees consider this to be one of the most difficult games Capcom ever released in arcades.
There are several songs available in the test mode that are not used in the actual game. The game's main character, 'Super Joe', made his first appearance in the 1985 game, "Commando