Left 4 Dead 2: The Sacrifice Achievements

Achievements

Achievement Description
Barrel Rolled (50) Kill a Special Infected with an exploding barrel.
Chaos Generator (50) Have all 3 generators running at once in "The Sacrifice" finale.
Kill Bill (50) Have Bill sacrifice himself for the team.
Sacrifizzle (50) As a Special Infected, incap someone who is trying to sacrifice themselves.
Supreme Sacrifice (50) Complete "The Sacrifice".