In the new online game Defense you will command the combat battleship, which attack the enemy aircraft. Before you on the screen will be seen by the sea, according to which your battleship will swim. In his direction, enemy aircraft will move across the sky. You will have to catch them in the sight and launch rockets or fire from guns. If your sight is accurate, then you will bring down the enemy aircraft and for this in the game Defense will be charged points. On them you can modernize your weapons or install a new one.