To change the remaining time to 10 seconds press F10 while playing.
To change the difficulty level at any time, press 5 while playing.
While playing press F6 to increase your coolness.
While playing, pause the game then press any letter from A to K to select a level.
While playing press + to skip to the next level.
To remove all movement restrictions, press M. Press it again to resume normal movement.
To reduce your energy to the minimum level, press F4 while playing.
While playing, press 0 to restore energy.