Unlockable How to Unlock Expert Level After completing Easy, Normal, and Hard Levels than the Expert Level will become available. The Expert Level contains 15 x 15 and 20 x 20 grids. Insane Level Complete Expert Level and Insane Level will become unlockd. Insane Level features 15 x 15 and 20 x 20 puzzles.
Contributed By: Pop.
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