This guide will help you unlock all five of the new achievements that came along with The Sacrifice DLC campaign for Left 4 Dead and Left 4 Dead 2 on the PC and Xbox 360.
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This guide will help you unlock all five of the new achievements that came along with The Sacrifice DLC campaign for Left 4 Dead and Left 4 Dead 2 on the PC and Xbox 360.
![Box shot of Left 4 Dead 2 [North America]](http://i.neoseeker.com/boxshots/R2FtZXMvWGJveF8zNjAvQWN0aW9uL1Nob290ZXI=/left_4_dead_2_frontcover_small_hoYioy4QTFWJsuR.jpg)