Mario had just settled into his new home when, in the middle of the night, strange knocks on the door interrupted his rest. There was no one on the other side, only a disturbing package that seemed to hide more than just a simple gift.

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What begins as a perplexing event soon becomes an increasingly disturbing experience. Trapped between uncertainty and fear, Mario will discover that some doors should never be opened and that, sometimes, the most terrifying thing is not what you can see, but what lurks in the darkness.