Your mission, should you choose to accept it, is to defend earth's cities from enemy math missiles. Your only weapons are your brain and your trusty laser cannon. Watch out for phantom missiles. You'll have to be quick to figure out the answer and destroy the correct enemy missile before your cities are reduced to rubble.

Easy to play. Hard to put down. Simple to configure. The longer you defend your cities, the more difficult it gets. This arcade style game will build basic math fact skills, including Additon, Subtraction, Multiplication, and Division.

Features:

• Excellent arcade style action
• Color graphics support
• Sound effects
• Increasing levels of difficulty
• Instructions to get you started
• Configurable number ranges
• Great for children learning their math facts
• High Score table
• Improves SUB, MULT, DIV, ADD skills