When your island is in danger and you are the only person can save it, what will you do? You should use your cannon to shoot your enemies and protect your island. There are many boats and airplanes are approaching you, use your physics knowledge to defeat them. Good luck! Play DEF Island online at friv22.com. You can play it in fullscreen to have fun with it. DEF Island is a great Friv 22 game to play with no cost.

Use Left Mouse button to Aim and Shoot,

shooting, boat, cannon, defend, island, shoot, aircraft, physics, airplane, war..