Step into the thrilling world of alien defence, where the fate of humanity rests in your hands! Set in the futuristic year of 2850, this action-packed shooter game invites you to fend off waves of alien invaders determined to wreak havoc on Earth. Armed with an array of powerful cannons, your mission is to keep your sights locked on the enemy ships zipping through the sky. You'll need your best reflexes and quick thinking to shoot them down before they can land and launch their attack. Join the fight in this exciting game designed for boys who love strategy and precision. Can you protect the planet from impending doom? Play free online now and prove your mettle!