After survivors had finally escaped from the airport, survivors with pilot decided to pass the North Pole™ but weird energy crashed down the plane they're we're on. Unfortunately pilot didn't survived. Now survivors are on thier own... again.
I recomend turning on instructor tips.
Campaign is also compatible with: Versus, Scavenge, Survival and Coop
[spoiler] Spaaps - Maps, thumbnails, scripts, custom textures/sounds, layout
Shard - Campaign poster, custom textures, Tester
Testers: Dasd, Lefspy, wrrrr, Shard
