click "play" to play. click "set range" to set the range put the starting number then a "-" then the ending number click "Undo" to undo. if everything stops moving, then you lost !Changelog can be found below! *the number you need to get is the number on the top left corner. Click on the numbers that add up to the number you need to get* also if you are correct and it hasn't put you in the next level then please wait until both of the numbers you clicked have disappeared