* From the Main Menu select GAME.  Hit [Alt]+[F5].  
 Pick JUMP TO and it will show thumbnails of various 
 scenes in the game.  Click on one to jump to it.
 
 * Use [Alt]+[Shift] and the first letter of the puzzle's name.
 For example, to skip the Probe Logic Circuit Puzzle by pressing
 [Alt]+[Shift]+[P].  The exception is the Orbit puzzle :