Download Left 4 Dead 2: Build 4017680 Dlcs M...

: Run the installer provided in the download. This build is approximately 13 GB and typically includes all DLCs pre-installed.

Locate the folder named SmartSteamEmu_v1.4.3_for_L4D2 inside your game directory. Download Left 4 Dead 2 Build 4017680 DLCs M...

: Adds the "Sacrifice" campaign and allows playing as L4D1 survivors in L4D2. : Run the installer provided in the download