The Infected are the main antagonists of Left 4 Dead. There is no “strongest” Survivor, so character choice is purely player preference. Every Survivor has their own unique appearance, personality, and background, though all Survivors are equal in speed, strength, rate of fire and health, etc. The Survivors There are four playable human characters in the game. “The Sacrifice” is the prequel to “The Passing,” and takes place from the L4D Survivors. The Sacrifice” is the new add-on for Left 4 Dead. The Director tailors the frequency and ferocity of the zombie attacks to your performance, putting you in the middle of a fast-paced, but not overwhelming, Hollywood horror movie. New technology dubbed “the AI Director” is used to generate a unique gameplay experience every time you play. Each “movie” is comprised of five large maps, and can be played by one to four human players, with an emphasis on team-based strategy and objectives.
