Blast! Defend! Survive! Can you survive all levels? Tap on the cannons to defeat the incoming foes! Each cannon can only blast a foe of the same color! Tap on the arrows to swap the cannons! This is a great eye and hand coordination game and can be very addictive. The speed and number of incoming foes increases as you continue forward making your reaction time quicker and quicker. The better you get, the more advanced games you can play. Can you get through all levels? Available for Android, Tablets, Android phones, iPod touch, iPhone, iPad, iPad Mini and iPad Air.