AddTract Number Puzzle

This is number puzzle game with basic adding and subtracting. Make given number to win.
+ Challenge and Best Score modes.
+ 9 Stages in Challenge mode with 10 Levels in each.
+ Win the required number of stars to unlock the next stage.
+ Best Score mode is time based.

HOW TO PLAY
Select and swipe the number down or right to move or add it to the next tile
Select and swipe the number to the left or up to move or add half of it to the next tile

Have fun!