Zork I: The Great Underground Empire

Reasonability:
The solutions are generally reasonable, but there doesn't seem to be a sure
way to complete the game without knowledge gained through resurrection.
*) the buttons in the control room

There are a couple of stochastic fights that don't seem avoidable, and there's
random death while digging in the sand.

Some challenges require questionable actions: waving the sceptre at the falls;
giving the egg to the thief.

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Difficulty:
*) fixing the egg
*) getting the coffin out