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Sumico is a very original number puzzle game. It challenges you with fun but deep gameplay. The game features 84 handmade levels and an Endless Mode which you can style to your liking. Enjoy! Easy to play, hard to master Relaxing, satisfying gameplay 84 handmade levels Endless Mode (adaptable) Educational mode Junior mode (no negative numbers) Great for kids and parents alike! Sumico received high praise from the press, being awarded lots of 9/10 en five star-reviews.