Game description: continuation of 'laser missile defense,' the essence of that canyon, or gorge, but the games are played has changed dramatically, battery can be moved, and design approach has become a WASD + mouse way. At the same time, the picture is more beautiful, and the enemy more, and special attacks is more beautiful, and points more, and to upgrade the menu is more extensive, and I played on the fast crazy! ! ! Quickly try it, especially the valley rebound attack will let you put it down, and strongly recommended! Instructions: WASD control the movement , Q key to switch weapons, , the space bar to suspend , right-click shooting .