"Java Game Project: Puzzle Game Development Video Tutorial" has the function of freely selecting pictures. You can choose your favorite pictures according to your own interests to play the game. In order to reduce the difficulty, a digital prompt function has been added to the game. In the game interface , the left half is the game area, and the right half is the preview of the original image. When the game starts, the system will randomly allocate a missing piece and disrupt the order of the images. The user can move and restore the image based on the original image. The number of steps and time will be counted in the game for players to compare. This game is completely operated by the mouse, making it easy to get started.