Special Infected from Left 4 Dead

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Special Infected that attacks Survivors by clinging to them from behind and literally riding the Survivor while attacking them.

Special Infected that is extremely fast and agile, and capable of quickly scaling walls.

Special Infected who's main attack is charging forward and plowing into the Survivors.

Special Infected that possesses the ability to spit a green ball of acid from long distances, which, upon hitting the ground, will expand into a large puddle and damage any Survivors who make contact with it.

Female Special Infected that are the deadliest Infected in the game.

Special Infected that is the biggest and strongest of all the Infected and is reasonably fast, only slowing if hit with large amounts of automatic weapons fire or when lit on fire.

Special Infected that vomits a special bile at Survivors, which temporarily blinds them and draws Common Infected to them.

Special Infected ambush class, that can strangle Survivors with its long tongue.