Date added: 2012-07-03 Times played: 11
Addictive math game with tower defense gameplay, Defend your fortress. Easy to play but hard to master!
Instructions Use arrow keys or to select cannon, answer and hit enter to fire cannon
Upgrade your tower and cannon to make a strong defense against the enemy.
answer math questions to climb the mountain and graduate from the current level.
Test your math skills! Become the absolute champion! Pit your ninja Math skills against the machine!