Random: fun stuff
Can you move to every square of a chessboard with a knight? On this tour you could place a knight anywhere, and it will eventually return to the start square. There are over nineteen quadrillion other tours!
Note: BrainBashers has a Dark Mode option. For BrainBashers, I'd recommend not using your browser's built-in dark mode, or any dark mode extensions (sometimes you can add an exception for a specific website).