Game info: Zombie Crisis Description

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Description: The world is suffering with the worst sickness crisis ever, with people turning into undead zombies. Tap to shoot them completely dead once and for all. They will come in waves, faster and in greater number for each level beaten. Be quick and don't let them cross the hall to the survivors.
Tags: tagzombies tagstop tagkill tagwaves tagspeed tagcrisis tagfree tagonline