Grant Mira. Apocalypse Scenario #683: The Box

Orbit, 2011. 31 p.
ISBN13: 9780316194969.
A new short story from Mira Grant, the author of Feed. Every week five friends get together to play a game- a game they call the Apocalypse Game. It's a fun time with chips and beer and plotting the end of the world. Except this time, one of them is missing and the stakes are higher than ever before.