Bilian's S&M Mod: VPK Add-On Version (Install this first before installing the fix below):
Bilian's L4D2 Sound & Music Mod Plus v1.1 (VPK Version)
Poster Fix For VPK Version available here:
POSTER FIX For VPK Version Of Bilian's L4D2 Sound & Music Mod Plus v1.1
Bilian's S&M Mod: Manual Replacement Version (for even more customizable options):
Bilian's L4D2 Sound & Music Replacement Mod Plus v1.1About the mod: Now fully available as an easy-to-install VPK Add-On, Bilian's Sound & Music Mod Plus, (recently updated for "The Sacrifice" DLC), features an intense set of over 1,700 files of carefully crafted sounds & meticulously edited music, plus 15 custom texture files. It contains months of original work, extensive editing and sound design and is NOT a compilation of other mods.
Download it now to give Valve's 'Left 4 Dead 2' PC game a fresh, new horrifying sound & look.
Latest video featuring sound replacements for "The Sacrifice" DLC:
6 other videos demonstrating in-game sound & music changes: