Nice mini-game! Luther has always been one of my favs since BtSP so its great to see him back and us inside him again!
I would maybe tweak the dialogue variables so they are more random, its weird seeing the exact same text 4-5 times in a row.
Another change would probably to make the animations less fast/frequent in order to give it a feeling of casual movement as opposed to how "twitchy" it feels at the moment.
Great work as always and keep it up!