System requirements: 400 MhzCPU/128MBRAM/3DVideoCard16MBRAM games: The game has an excellent screen, gorgeous images show the delicate texture. Explosion in the game, guns, missiles, and smoke effects, such as outstanding in the same game. Bullets in a variety of colors and shape are very unique, easy to identify and avoid the audience. Game music: the variation of background music scene with the game and fighting for changes to be adjusted accordingly, is carefully building. Audio production also was very successful, so that the audience can experience the popular game scenes and tense, exciting and fully mobilize the enthusiasm of you. Get started: You can use the keyboard or mouse to control the game, with three different types of difficult choices, number keys 1-7 switch weapons, find every clearance boulder shut vortex Zhidong can clearance. Innovative: flight games, shooting, defense in the maze like the map, move more flexible, and the rhythm of the game, unless more is get rid of the major pitfalls and obstacles. Heart extended by shooting a one-line traction in the operation of aircraft operations is very innovative way. Playability: inconceivable for including three in the world, a total of 22 thrilling interesting points. Each scene is with a unique monster, the enemy as much as more than 30 kinds of species. 7 different types of weapons, with five grades improved. About the Game: Orion aggressors have reached our peaceful planet! Your task is to stop their actions and to destroy their bases. High-tech spacecraft X-Avenger will help you complete the task of machine guns, missiles and energy weapons will increase your power. Only you can make our planet restore peace.