Cheats:

 JUMP TO any part of the game:

 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.

 SKIP a puzzle:

 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- use ALT-SHIFT-I.