No Fly Zone 13

# No Flight Zone 13 Maths handicap airplane shooting game. Enjoy an arcade game of air combat while avoiding the number 13 in your wallet. ## How to play Use the arrow keys, mouse, or tap on mobile devices. Eliminate all enemies to advance to the next level. When you destroy an enemy, they may drop a numbered coin. As you collect coins, the value will accumulate in your wallet. If the accu…