Who knew arms could cause such a commotion! Thanks for the feedback on the difficulty - you're not alone. I didn't have enough time to figure out and group the puzzles' difficulty, but I wish I had!
If you didn't make it to the end and want to see that short end-of-game cutscene, there's a cheat code "XRIGHTO" that basically acts like you typed the correct answer. So if you guess "XRIGHTO", it's like guessing the correct word.