The knight is the odd one out on a chessboard: it moves two squares in one direction and then one to the side, an L-shape, and jumps over anything in its way. You don't need to know chess — the glowing dots show every square it can reach.
Some goals ask you to collect stars, in any order or in number order, sometimes within a move limit or in the fewest moves possible. The full tour asks for every square exactly once — a puzzle mathematicians have studied for centuries. The closed tour must also end one jump from where it began, and return.
Every puzzle is checked to have a route before you see it.
Move the knight in its L-shaped jump to reach the targets — or visit every square of the board exactly once.
The full guide, with a worked example and common mistakes: How to play Knight's Tour.
No. The board shows every square the knight can reach from where it is.
No — there is none on 4×4, and a closed tour needs an even number of squares, so the board choices change with the goal.
The same idea with invented pieces — a frog, a robot, a rocket — each with its own move. Try Movement Patterns.