The Earth is in danger and there is only one way to save her: with math. Show everything learned and resolve the mathematical computations to save the planet from Aliens. Use your mouse.
Defy your skills and solve the math opperations as fast as you can. Pick the numbers that, adding you can get the shown number. Do it right and move up a level. Use your mouse. Are you ready?
It's a little difficult maths challenge! You need to select 2 or more numbers and add them. This additions must be equal to another number on the board and so until add all numbers to get a big number. INSTRUCTIONS: Use your mouse.