Nut up or shut up.

Columbus has made a habit of running from what scares him. Tallahassee doesn't have fears. If he did, he'd kick their ever-living ass. In a world overrun by zombies, these two are perfectly evolved survivors. But now, they're about to stare down the most terrifying prospect of all: each other.
Zombieland keeps every mind human — it fights its subject at zero distance. The story fights on E8/E9 of the E0–E14 reality ladder.
Films fighting at the same level of reality, about the same things.
The same preoccupations examined at another scale — one mind versus a nation.
Other films that change a standing rule of their world — ranked first by those bending it at the same rung.
Iron Man 3 (2013)alters at E5 · same rung · loose
28 Days Later (2002)alters at E5 · same rung · rigorous
World War Z (2013)alters at E5 · same rung · loose
The Incredible Hulk (2008)alters at E5 · same rung · loose
Resident Evil: Apocalypse (2004)alters at E5 · same rung · loose
Resident Evil: Afterlife (2010)alters at E5 · same rung · loose