Unlock 3D Prince of Persia level

 To unlock the 3D level from the first Prince of Persia, simply start a new
 game. You will begin it on a balcony, do NOT go inside.  Then do this:

 Hold [X] and press [Space], left mouse, [E], [C], [E], [Space], left mouse, [C]


 By TJeh, TJeh@gmx.net