Turn on [Numlock] during game play then press[Keypad Minus] to display details at the top left.
Note: This code only works on v1.2 and lower. Tun on[Caps Lock] then hold [Shift] + Z + Enterat the "Level loaded; press [spacebar] to begin" messageto advance to the next level.
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Go to the main menu. After making sure NumLock is on, press 5 on the number pad to bring up the password prompt. Type in the password and click 'submit'. Remember, passwords are case-sensitive.