Tank Rage in Zombie City

In Denver there was a release of chemicals into the atmosphere and all the inhabitants were killed, and after a few hours have risen as a zombie. You as the commander of a tank formation was sent to sweep the city. Your task is to destroy the hordes of monsters. Crush them, shoot, do all that they would not have got out of the city. During the game, keep up to date weapons of his car for a more effective fight against these monsters.