Originally Posted by [TTG] Yare
If we were going to allow do-overs it would have been easier to leave out the scoring mechanism entirely.
You should. If the player wants to keep track of how many times they had to try a puzzle to solve it, they'll do it outside of the game- it's the only score that truly means anything (since once you've figured out a solution, any future attempts will almost certainly be perfect). What counts as a mistake on the spectrum of incorrect submissions, from simple misunderstandings to brute trial and error, is a matter of personal discretion, and it shouldn't be necessary to "save scrub" or check against an external walkthrough just to satisfy the blind and unforgiving validation that keeps your playthrough safe from cosmetic smudges.