Join a simple and easy letter sorting sliding puzzle game to bring fun to all players! Master the core rule in one second: click on any square next to the blank space to slide and swap positions, rearrange scattered letter blocks until each letter falls on the designated correct grid point. There are no tricky gestures or complex operations that require memorization, so new players can start sorting immediately without tedious tutorials. Firstly, clear the basic starting grid, and then unlock increasingly complex letter layouts as you progress. This sliding puzzle is not just a simple entertainment, it can also improve letter memory ability and naturally exercise your core logical reasoning ability.