The Riddle of Master Lu
This game is titled also "Ripley's Believe It Or Not! The Riddle Of Master Lu"
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.