How quick can you complete the puzzle and make it on to the leaderboard? Choose from a wide variety of grid sizes, from 4x4 to 20x20. Smaller grids are great for younger players or if you just want a quick game. Larger grids will provide a challenge to even the best puzzle solvers. Square and hexagon grids are available for an even more possibilities. All the grids are randomly generated for a virtually inexhaustible number of puzzles. Grids can be zoomed in and out using a spread and pinch motion to easily complete large grids even on smaller devices.