Undertale: FUN Mode

You unlock Sans' Secret lab after resetting multiple times and telling him a secret code. You go into the lab and see a giant covered up machine. You uncover it and you see it's a time machine. You step inside.. and...

W-where am I? "Happy Town"? #fangame

(This is a bit of a side project for me, my main focus is on MH!SwapSwap, so don't expect a game for this soon.)