What is the trick to getting the highest score? Sometimes a harder puzzle (lower success rate) and a short time (lower than average time and/or close to best time) yields a lower score as compared to an easier puzzle (higher success rate) and a short time. And, how are some puzzles solved in one minute? A fast computer no doubt. Is there some sort of rule, like an if then statement? Or is it something like any blank corner box that is surrounded by 3 x's can be marked as a true statement??