Let the blue block out!
Go through all the lines of the given shape without a breakpoint or repetitive routes.
Can you knock all of the balls off the grid?
Fill all empty squares with digits so that the numbers 1 to N appear exactly once in each row and column. Sounds simple but really isn't it.
Your mission is to clear all of the tiles. To do so, you will need to choose numbers whose sum is equal to the number in the lower left corner of the screen. Do you think you can do it?
Simply move the square to the X... again! It's still not that simple. Now there's even more obstacles in your way.