The world becomes a living hell as many zombies walking around. You need to continuously improve strength to resist waves of zombies. Make good use of different capabilities and features of characters to fend off those zombies one by one.
Play 1:U to Hot Attack,I to Unique Attack,J to Attack,K to jump,OL to Expand Skill.
Play 2:4 to Hot Attack,5 to Unique Attack,1 to Attack,2 to jump,36 to Expand Skill.