Brain Metrix Knight Tour

This is a "brain game" you might enjoy.  The goal is to move the N to every square in the least possible moves; they claim a good score is 65 moves or less. The site keeps score of how many moves you have taken. Brain Metrix

They also have the eight Queens puzzle where you have to put eight Queens on the board in such a way that none of them is able to capture any other. 8 Q’s Puzzle