Broken Dawn:Tempest

There was a leak of one of the secret research viruses of the cartel. Thus began a horrific viral war with an infection that tus people into zombies, with all the entrances and exits from the city completely closed. The govement and the cartel undertook the task of eliminating all survivors in order to keep the epidemic in secret. But you decide to break their plans and punish them for what they've done, but now you have an army of mutants against you.