The well-appreciated and possibly most-remembered “secret” code of all time, The Konami Code, a cheat code that originated on the original NES and has since made its way into many other games. up, up, down, down, left, right, left, right, B, A The Konami Code was first used in the 1986 release of Gradius and when entered correctly would give the player full power-ups but was made famous in North A