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! DEF Island is one of the amazing free games in friv2017.com. Try DEF Island and Pick your best Friv 2017 game in the awesome long list with no charges.

Use Left Mouse button to Aim and Shoot,

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