Be the winner and claim the highest tower by following the simple rules:
*** You can attack enemy floors that aren't higher than your tower
*** You can only attack enemy floors with smaller numbers
*** Once capture a floor you'll capture its number to become stronger, also lower enemy tower!
*** Then find the next floor to conquer...
*** Oh, and you have the ability to merge enemies of same number to your favor... make use of that to solve more complex puzzle!!!