The classic number slider puzzle game from your childhood, but on your phone with new and exciting modes for you to enjoy! The app supports offline single player along with online multiplayer, so you can play without an internet connection. This style of game is sometimes referred to as Klotski, Sliding Puzzle, or NumPuz (short for number puzzle). You can play the classic mode that you're used to, or play one of our new modes for a different sort of challenge. Classic: Sort the numbers fr