Zombie Rush USA 2 is the coolest game ever. I've play this action, arcade game. Zombie Rush USA 2 is really awesome. The main theme of this game is, kill the zombies and earn money, to buy ammo or health according to your need. And be the saviour of the city. So action or arcade lovers if u want to play this marvelous game, just visit the link following link to download.
for Android: https://play.google.com/store/apps/details?id=air.com.hamzagames.zombierushusa2
and for iOS: https://itunes.apple.com/app/id821623388