Roger was quickly running out of methods of killing these beasts. He had destroyed the iron holdings of the fire escape, crushing fifty or so of the zombies, he had improvised a bomb with a discarded can of spray-paint, and had unloaded an entire magazine, but all with minimal result. He wouldn't get close to these things, that was an unacceptable and fool-hardy course of action. And then he saw it. In the near-center of the mass, he spied a Super zombie. Roger took a step back, and hoped it didn't notice him. It did.
The thing tore off, and quickly ascended the building. Roger raised his rifle, firing the remainder of a his clip into the zombie's face. No effect. Roger turned, and ran off of the building, landing five feet down on an adjacent building, breaking his fall with a roll. It still hurt like hell. He quickly discovered there was no way out of this one, as three sides there was being crushed, and on the other was a brutal mutilation. He didn't like the odds there.
The super zombie jumped down, cracking the roof, and charged at Roger. Roger knew he wasn't able to dodge it, and positioned the blow so as to direct the force into the roof. It worked. He and the zombie went, sprawling, to the top floor of an apartment building. Roger expected it, and the zombie didn't. Roger connected a kick that had the force of a piston engine to the beast's face, and sent it into the wall, dazed slightly. He placed his gun directly in it's eye socket, and fire his entire clip, only sure that it was dead when he took his knife and severed the neck.
He stood up, and climbed over a china cabinet, eventually crawling to the remainder of the roof. The zombies weren't pressing in on all sides anymore, and, with this bunch's abnormal lack of intelligence, he might have time to rest.