Puzzle Slide Pro is an image based slide puzzle game that supports high definition screen of iPad3 and up and comes with lots of free puzzles to start.
Game has 4 levels of difficulties:
 - Traditional 4x4 with 16-1 pieces, that's the easy mode.
 - Medium mode has a board size of 8x4, there are 32 minus one pieces.
 - Hard mode with a 8x8 board size and 64-1 pieces.
 - Extreme mode has a 16x8 board designed for those who like to have a brain workout. It has 128-1 pieces.
Some puzzles have no preview make it more difficult to solve.
Enjoy