Zombie Crush

Zombie Crush - Well, again, humanity was subjected to the repulsive attack of the virus and the citizens are turned into hideous zombies. You are the only survivors and luckily at your disposal is a unique tank! No ammunition, but it's not a problem - the barrel cannon mounted hammer, which is mindless crushes bones! Your tank is also fitted with spikes, and other useful things for cleaning the city from zombies. So, your task is to push the zombies like a skating rink in front or back. Most importantly, don't let them go to the side, otherwise you Khan - because as long as the tank is the only vulnerable spot. And even if to kill a zombie with a hammer - more points. But in a tank you can upgrade, we only need this upgrade to make money! Try to collect all 40 achievements, and of course, passing all the zombies!