Elf (šifre)

Elf

First pause the game play by pressing P. Then 
type highlander to enable cheat mode. Press P 
to resume game play, then press one of the keys
below to activate its cheat function.

Function                 Key 
-----------------------------
Unlimited lives          - I 
Flying machine available - E 
Go to end of level Boss  - M 
Level skip               - S