You play as army troops through city landscapes, battle against crazy alien invasion!rnrnUse mouse to control. A/D or move mouse to right/left corner to scroll. Z, X, C or click mini map to fast forward to left/center/right edge. 1, 2, 3, 4, 5, 6, 7, 8, 9 to select/unleash unit. Q, W, E, R, T, Y, U to change unit type.