HellBox: Cast Out The Demons

Apocalypse has arrived, the Dark Lord has awakened and tries to take over the world. For his grand plan, the Dark Lord needs an army. The easiest way to get the army - is to call it from the depths of hell. In order to demons got outside, it is necessary to conduct an ancient ritual. In the center of this ritual is a box that is a portal between our world and hell. Every demon who got outside, must be destroyed immediately, otherwise it will go to the subordination of the Dark Lord. If the Dark Lord will be too many demons, you fail the mission.