Free for a Limited Time!!December 21,2012,Earth will come to an end. Will our homeland be destroyed by earthquake, flood or solar storm? It seems more dangerous to be crashed by an asteroid, or asteroids. Is it the end of the world? Or you can change the fate? However, so long and thanks for all the fish. 3 weapons, each has 4 unique upgrades. Control up to 5 satellites. Powerful impact bomb with 4 unique upgrades. Several powerful buffs. And mysterious astronomical objects. 2 game modes.18 Achievements. Don’t Panic.