"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. Merge Flow, puzzle game, math puzzle, number game, casual game, kids game, thinking game, strategy game, number combinations, online puzzle, free game, 1player, colorful, levels, kids friendly, no blood