The Riddle of Master Lu (šifre)

The Riddle of Master Lu 

Cheat:
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To bypass the Labyrinth of Sikkim, press [Crtl] in the 
first room and hold it while typing L E E. 
This is the name of programmer Lee Sheldon and you will be 
teleported to the exit of the labyrinth. But you also bypass 
some usefull inventory items.