Zombie attack : Last defense

The Apocalypse has been opened, the return of the zombie, zombie and human war continues. To build this line of defense in order to survive, this line of defense is the last hope of mankind. 11 weapons: each weapon has a different special properties, when the weapon to unlock the game after the game can be used for three weapons in real time. 6 kinds of defense construction: deceleration zone can be slowing the target's movement speed, electric wall and the thorns can be wounded by a zombie, mercenaries turret and missile turret automatic locking and attack. 5 skills: grenades, flash bomb, bomb, bomb attack. Each has a different function. 4 fields: each area of the zombie is different from the fall of the weapon debris is also different. 12 achievements: the addition of each achievement is different. 3 charts. This is a completely free zombie game.