Try to solve the puzzle in challenge mode where each move counts, and a perfect solve will earn you three stars or go for the relax mode, where you can just focus on getting through the puzzles one by one. • Ultra smooth graphics with full tablet support. • Leaderboards. • Achievements. • 8639 free puzzles. 100 extra difficulty ones can be unlocked. • Five free difficulty levels: novice, beginner, intermediate, advanced & expert. • One extra difficulty levels can be unlocked: Professor • Play in either challenge or relax mode. • Solve/hint system to help you, if you are stuck. • Solve a level with the minimum number of slide moves and earn an extra solve. • Undo & quick restart available. • Quick jump between levels. • Customize the game with multiple backgrounds and pieces to choose from. • Quick difficulty change via the in game menu. To get you started novice & beginner level 1 acts as a tutorial, and you can always access the help screen from the in game menu. The sound volume can be adjusted in the options menu.