Make sure it is set to "Multiplication."
Learn how to play, then play for the remainder of the period. If you are in my homeroom, take a screen shot of your highest score for each level and put them onto a blog entry entitled, "Kakooma." (See below.)
If you have extra time, try the "Fractions" version here: http://gregtangmath.com/Kakooma/Kakooma?game