This game is composed of 6 levels. The first level will help you review you skill for simple additions. The second level mix addition and substraction. The third level is for multiplication. The hardest level will let you play with divisions.Finally, the most unplayable levels are insane where you will encounter additions, substractions and multiplications. Guest what, the final level, God level is not intended to be playable as it have additions, substractions, multiplications and divisions!