External links

Links to other Left 4 Dead resource websites:

Official

 * L4D.com
 * Update News
 * Steam Store
 * Steam Users' Forums (PC)
 * Steam Users' Forums (Xbox 360)

Fansites

 * Left 4 Dead 411
 * Left 4 Dead Map Database

Other

 * Wikipedia article
 * Zombie Survival & Defense Wiki article
 * GotFrag eSports Wiki article