This is entirely possible and its why things like Punk Buster, etc. exist. For a lot of single player games it'd be hard to verify that an actual human physical

This is entirely possible and its why things like Punk Buster, etc. exist. For a lot of single player games it'd be hard to verify that an actual human physically executed the plays vs. a bot. I'm ok with accepting a high score from someone that went through that level of effort to falsify replays to get on a leader board. If a puzzle game is truly interesting that kind of cheating isn't necessarily optimal anyway.