Undertale Yellow has some amazing secrets. Here is a video documenting a few of the ones I've found!

...And yes, that secret is in this video. Croak.

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GAME - https://gamejolt.com/games/UndertaleY...
Please play it.

Music -
Undertale Yellow OST by MasterSwordRemix
Based on: Undertale & Deltarune OST by Toby Fox / Materia Collective

TWITTER -   / shayy_tv  
TWITCH -   / shayy  
DISCORD -   / discord