![daily toby fox trivia on Twitter: "Buried in Undertale's code are two unused interfaces for the Waterfall piano puzzle. Screenshots from YouTube channel ASmolBoy. https://t.co/BITRta7kZN" / Twitter daily toby fox trivia on Twitter: "Buried in Undertale's code are two unused interfaces for the Waterfall piano puzzle. Screenshots from YouTube channel ASmolBoy. https://t.co/BITRta7kZN" / Twitter](https://pbs.twimg.com/media/Fvc5HwqWYAIaNoq.jpg:large)
daily toby fox trivia on Twitter: "Buried in Undertale's code are two unused interfaces for the Waterfall piano puzzle. Screenshots from YouTube channel ASmolBoy. https://t.co/BITRta7kZN" / Twitter
![the piano puzzle for the legendary artifact (and dog residue) says you only need to play the first 8 notes. but the statue where you get the notes only shows the first the piano puzzle for the legendary artifact (and dog residue) says you only need to play the first 8 notes. but the statue where you get the notes only shows the first](https://preview.redd.it/9r3htr23mts71.png?auto=webp&s=e2ee1b741c150325e8601c3251a26b03a68e4114)
the piano puzzle for the legendary artifact (and dog residue) says you only need to play the first 8 notes. but the statue where you get the notes only shows the first
![Semi Frequent Undertale Facts on Twitter: "* The sign in the Piano Room in Waterfall stays that "only the first 8 are fine" but you only need to play 7 notes. Submitted Semi Frequent Undertale Facts on Twitter: "* The sign in the Piano Room in Waterfall stays that "only the first 8 are fine" but you only need to play 7 notes. Submitted](https://pbs.twimg.com/media/EvVi1e4XMAEAuRR.png)