Zompony Apocalypse (Left 4 Dead cross-over)

by Peahead

First published

When a disease breaks out in Equestria, ponies become into the undead and eventually start mutating, when everything goes south, there is only one place that Twilight knows they can get help, one where a certain person called Sunset Shimmer lives.
This fic is a crossover with Left 4 Dead, just in case you don't read titles. :pinkiehappy:
Takes place after Season 5 and The Friendship Games.