Left 4 Dead Steam Account

4 player co-op a.i. companion achievement attempt detection achievements anti-hero apocalypse artificial intelligence bafta games award banter during gameplay based on - comics bink video bloody bots bpjm indexed camera shift campaign character models based on actual people color blindness cross-platform multiplayer d.i.c.e. awards 2014 darkness death dedicated servers destructible environment developer commentary difficulty level digital distribution downloadable content drop-in drop-out dual wielding dynamic difficulty e3 2008 easter egg explosion extreme violence fake in-game advertising falling damage friendly fire fully customizable controls game critics awards games on demand griefing guided by radio helicopter horde mode human in-game achievement menu in-game map editor infinite ammo infinite spawn insanity instant kill interactive achievement awards 2009 interactive environments internet culture reference linear gameplay local and online players together machinima matchmaking meaningful choices melee meme origin modern warfare multi-monitor support mutants never-ending no respawn non-linear storytelling novint falcon support objective-based team gameplay overweight character pax 2008 pc to console port pig polygonal 3d post-apocalyptic professional gaming ragdoll physics real-time combat respawning resurrection retail games with steam activation sadism scripted events secret identity severed limbs spike video game awards 2008 steam steam achievements steam cloud steam play steam pre-purchase rewards stickman survival mode swarming enemies team killing text dialogue throwing weapons tomboy undead undead invasion unlockables valve anti-cheat viral achievement vision obstruction voice chat war veterans witches xbox controller support for pc xbox live xbox one backwards compatibility zombie protagonist zombie virus zombies