During the process of human’s exploring extraterrestrial life, their flying vehicles finally found and brought back extraterrestrial life---the Zerg. Surprisingly,the alien Zerg quickly adapted to the surroundings after they reached the earth and instantly became strong and brutle, attacked and ate human beings. The worst of all is their ability to breed and grow is too fast! They quickly occupied every corner of the earth. In order to survive, human beings are forced to take up the weapons,fighting against the Zerg. *40 kinds of weapons for your choice, enrich your arsenal! *A variety of insects, scenes, enjoy your fighting! *Advancing mode makes you get more coin achivements, to get more weapons! *Remember to strengthen your characters, which makes your fighting ability stronger! *Endless mode makes you enjoy the fighting, refresh your records to challenge your partners! *Armed yourself to fight, enjoy the excitement of killing the Zerg!