Sum is a wildly addicting brain teaser, a simple puzzle game that will challenge you, while also training your brain.
Put your skills to the test, we dare you.
Sum will help you develop logic and train your mental capacity.
The concept is simple: on a board of variable size you have to find the elements that add up to a certain number before the time runs out... once you find them you get a new goal.
Play alongside your friends, enjoy the mental gymnastics you'll do and try to beat your high score!
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