Cheat Codes:
 you press all these cheat keys at the same moment 
 (might take a try or two - especially on laptops).
 
 Result Code
 Turn cheating on - E - G - K - U - X
 God mode on - A - K - O - M - T
 Get energy crystals - D - H - T
 Next level - X - V - N
 Previous level - F - B - M
 God mode off - D - G - J - L