Prepared for the fierce battles between the special squad heroes and ferocious zombies in most addictive defense zombie game. Use your skill and intelce to lead your special squad team to defeat all the ferocious zombies to save the city. Each unit of the special squad heroes team have different characteristics, for example: - Sniper have big damage, long range but low speed attack, less health. - Double Pistol have normal damage, but higher speed attack, more powerfull when upgrade. Also there are many types of zombies, each zombie also have different characteristics and ability, for example: - Mad Zombie have very hight move speed, attack speed, but less health and have a very ability is you can not freeze this zombie. - Freeze Zombie have very hight health, but lower move speed and attack speed and have a very terrible ability, this zombie can freeze the unit. Beside the special squad heroes team , you can also use many awesome skills in defeating the zombies (Freezing, Bomb, Heavy Rocket...) Features: - Over 8 units with different skill and strength. - 3 skills you can using with upgradeable - Fully upgrade(health, damage, range, critical…) of each Unit with star. - Level of Unit system. Unit will earn exp after a victory level - Over 10 type of zombies with different ability (freeze unit, suicide bombers, big zombie…) - Get your free ward every day, many times within day. - Unlimited diversity quests. You can earn more golds and gems - Over exciting 40 levels. The difficulty of each level will be increased, requires you must have a great skill to complete. - With the library system, you view detail of zombie’s information, this will help you have reasonable tactic to kill every zombie. - You will get gem and gold after complete each level, the reward will be increased after each level and you will get more reward if you complete the level with more star.