Number Puzzle
Description:
Classic online number puzzle game - 4x4 grid with numbers 1-15 and 1 empty space! Move numbers adjacent to the empty space to arrange all numbers in ascending order (left to right, top to bottom). Free, no download, and great for spatial logic and patience.
Controls:
Click numbers adjacent to the empty space to move them into the gap. Gradually adjust the number order - intuitive controls, easy for beginners.