In the world of The 7th Guest, you are an active and mysterious entity known only as "Ego". Your role, identity and purpose is not known or explained, rather, it is experienced as a seamlessly integral part of the total environment that is the Stauf mansion.
The house of The 7th Guest is filled with 19 devilishly clever puzzles that will test your wits and scare you out of them as well. To complete the game you must solve every puzzle in the house - only then will the secrets of the madman Henry Stauf be revealed to you.