Great and addictive mathematical challenge that will test your logic. You must place the numbers to rest at the appropriate point, in order that they get zero.
Build english words with 3 or more letters. Make click on one letter in order to add it to the word. Press the space bar to erase the last chosen letter. Press Enter to send the word.
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.