Defense missions in Urban Siege Line will turn defending a ruined city into a test of your accuracy and ability to switch between three lines in time to hold off zombies. You need to skillfully switch weapons, trying to effectively hit approaching enemies at each stage of this intense process. Carefully monitor the size of your squad and call air support in the Urban Siege Line in time to survive in battle and get game points. For showing tactical flexibility when using grenades and successfully improving your arsenal, you are awarded bonuses. Good endurance will help you withstand the most powerful waves of monsters. Your determination will allow you to effectively complete all combat missions and save the city from destruction.
