Cheats:

 Type them in whenever you need them:

 [0]   Restore energy
 [M]   Can move freely, press again to restore
 [+]   Skip level
 [5]   Replay and change level of difficulity
 [F4]  Reduce energy to minimun
 [F6]  Add COOL %
 [F10] Time become 10 seconds

 Select level: pause the game and press [A]-[K] to select the level.