This is a red before use AD to move, press J fired artillery shells and hold the J launching large-scale, open the protective shield and hold the K, L emitted by shrapnel. Blue only use ← → to move, press 1 fired artillery shells and hold 1 launch giant, hold your shield 2, press 3 emission shotgun, will cool the skills to use after a few seconds, you can press R to restart the fighting.