At the main menu, press Down four times, Right, Left, Right, Left.
At the main menu, press Up two times, Left two times, Up two times, Right two times.
At the difficulty selection menu, press Up, Right, Down, Left, Up, Right, Down, Left.
Select Single Player mode in Arcade mode. Press Down ten times at the difficulty selection screen. The pointer will move underneath the Master difficulty, and the game will start in Savant mode.