Mouse click the box o the game board, use the operator to the umber +/-, get a higher score, a higher level!

Merge Flow is a casual puzzle game, by the board of 5*7 number squares and the bottom n +/- operators, each of the blocks have numbers, use the operator to make the number square +/-n, the same number will be combined into a +1 number, while obtaining the corresponding score. When the operators run out, the round ends.