Gridsum Puzzle

Gridsum is a creative crossword puzzle game which can improve your math skill. The game is a brain teasing, laid back puzzle that makes for an excellent fill of your spare time. Challenge and level up your brain with Gridsum puzzle anywhere, anytime! Features : ◾ 400 free puzzles of various sizes and levels ◾ Brainteasers from easy to hard ◾ Hint function when you are stuck ◾ Easy and smooth controls ◾ Suitable for both kids and adults ◾ All puzzles are free to play Rules : ◾ The object is to fill in the rows and columns with digits so that their sum matches the clues. ◾ The green boxes tell you the amount to be reached in each group of horizontal or vertical boxes. ◾ You will win when the game board is fully filled, without any mistakes. Download and enjoy it for FREE now! ©2021 Unfubu