How to Play?

Best Free Earth Defender Extreme Game. For gamers who like outer space adventure, you should not miss this game. In this game you can explore outer space adventure to destroy the asteroid, the asteroid will hit earth. By riding the shuttle you must protect the Earth from the threat of asteroids that could destroy the earth and everything on the earth. purpose of the game: You are asked to destroy the asteroid that will hit the earth, which will result in the destruction of the earth. You must survive as long as possible to defend the Earth from asteroid attack. How to play: To control the game using a combination of keyboard and mouse. On the keyboard, up arrow to push the plane forward, the down-arrow to push the plane back, right and left arrows are used to move to the right and left. The space key is used to fire the second gun. Q key to exit the plane. As for firing the main weapon, use the left click of the mouse. To direct the shot also using the mouse. Special tricks: Use the main weapon to destroy a large asteroid, and then use a second weapon to destroy the meteorite fragments. Take a power ball that can upgrade weapons on your plane. You only need to take one ball just kind of power, because your weapons will be much stronger.