Title: Ruins of Our Own Construction
Summary: Sam and Dean are fighting injured in the midst of a zombie apocalypse, but just because they have a world full of new problems, doesn't mean the old ones have gone away.
Spoilers: Up to 'Folsom Prison Blues'
Word Count: 23,000
Author’s Note: Season 2 AU. Written for the l4d_bigbang. This is a crossover between the Supernatural and Left 4 Dead 'verse, but everything is explained so you don't need to know anything about Left 4 Dead to play along.
The artwork was created by the absolutely amazing culper355. Her work can be found included in this story and at her art master post.
Countless thanks to meus_venator, saltnburnbaby, smidgeson and sorrydreaming for their incredible beta work; a_phoenixdragon for the wonderful read-through; lacerta and tifaching for checking out the beginning; lmcdon for her perpetually awesome medical guidance; elusive_life_77, glasslogic and melantho for answering my silly L4D 'verse questions. You're all beyond fabulous!
Chapter 1 ~ Chapter 2 ~ Chapter 3 ~ Chapter 4 ~ Chapter 5 ~ Chapter 6