Wait until "Press Start" flashes at the opening screen. Sweep the D-pad in three clockwise Full-Circles. The sound of a punch will confirm each successful sweep. Sweep the D-pad in two counter-clockwise Full-Circles. The sound of a punch will confirm each successful sweep. Then, press Start. The word "K.O." will confirm correct code entry. Stage select, time, and life bar selections will appear at the bottom of the options screen.