How To Unlock Mettaton’S House? | What Does The Mystery Key Do In Undertale

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What Does The Mystery Key Do? - Undertale - Youtube

What Does The Mystery Key Do In Undertale?

by KYRO CHAYA
04/07/2024

What to do with the Mystery Key? The Mystery Key unlocks Mettaton’s house, which is located next to Napstablook’s house. You can also try the… Read More »What Does The Mystery Key Do In Undertale?