Invade the earth as Grim Reapers from hell and destroy the world! the reapers cause disasters anywhere in the world and harvest human souls. The souls are collected while you are away from the game. Moreover, you can multiply the amount of harvested souls in the maximum of over a hundred! Conquer the human world by the absolute power of Grim Reapers! Features: - Disasters are continued by automating reapers' invasion. - Souls are collected continuously while you are away from the game. - Double the amount of collected souls by ads. - Increase the efficiency of invasion by using commander skills. - Variety of disasters caused by grim reapers such as huge tornado, big chill, and meteors' falling. - Open the hell's doors in all over the places and invade the world simultaneously.