This mod replaces the 'pukricide' sound with Hazardous Environment Suit voice message alerting about biohazard. This sound is played when boomer vomits on survivor. If You don't hear this sound then check in game's audio options if your music volume is on....

This mod replaces the 'pileobile' sound with Hazardous Environment Suit voice message alerting about radiation. It also adds geiger counter sounds to the spit. This sound is played when spitter spits on survivor. If You don't hear this sound then check in ...

This mod replaces the 'tonguetied' sound with Hazardous Environment Suit voice message alerting about chemical danger. This sound is played when smoker catces a survivor. If You don't hear this sound then check in game's audio options if your music volume ...

This mod replaces main tank theme with 'Jungle Drums' from Half-Life. If You have any suggestions or issues with this mod, let me know :) Credits: Music from the video game Half-Life (1998), by Sierra & Valve Music by Kelly Bailey...

This mod replaces 'The Parish' beginning theme (Dead Easy) with 'Nepal Monastery' from Half-Life. The theme will be played at the start of 'The Parish's' very first chapter. If You have any suggestions or issues with this mod, let me know :) Credits: Music...

This mod replaces main tank theme with 'Storm' from Half-Life: Opposing Force. If You have any suggestions or issues with this mod, let me know :) Similar Mods: Half-Life: Blue Shift- Maze (Tank Music) Credits: Music from the video game Half-Life: Opposing...

This mod replaces main witch theme with 'Listen' from Half-Life: Opposing Force. The theme will be played when survivors are near witch. If You have any suggestions or issues with this mod, let me know :) Credits: Music from the video game Half-Life: Oppos...

This mod replaces main tank theme with 'Maze' from Half-Life: Blue Shift. If You have any suggestions or issues with this mod, let me know :) Similar Mods: Half-Life: Opposing Force- Storm (Tank Music) Credits: Music from the video game Half-Life: Blue Shi...

This mod replaces 'Dark Carnival' beginning theme (Death is a Carousel) with 'Danger Rises' from Half-Life: Blue Shift. The theme will be played at the start of 'Dark Carnival's' very first chapter. If You have any suggestions or issues with this mod, let ...

This mod adds 'Enemy Down' sound from Counter-Strike when any of special infected creatures die (excluding witch). Might conflict with other special infected sound mods. If You have any suggestions or issues with this mod, let me know :) Credits: Voice fro...

This mod replaces the 'zombie choir' with chatter of HECU soldiers from Half-Life. The chatter plays when common infected are nearby. If You have any suggestions or issues with this mod, let me know :) Works with both L4D1 and L4D2 campaigns Other Versions...

This mod replaces the 'zombie choir' with chatter of HECU soldiers from Half-Life. The chatter plays when common infected are nearby. If You have any suggestions or issues with this mod, let me know :) Works with both L4D1 and L4D2 campaigns Other Versions...

'Capture the flag' theme will play when you successfully reach the saferoom. This mod only works with L4D2 campaigns Credits: Music and voice from the video game Team Fortress Classic (1999), by Sierra & Valve...

Did You hear that? That's right, it's famous Nelson from Springfield laughing at You while You are incapacitated by ruthless zombies! Nelson's laugh will be heard by the person who plays as a survivor and falls down to become incapacitated. If You have any...

It replaces tank theme....

It will play when you successfully reach the saferoom. This mod only works with L4D2 campaigns Credits: Voice from the video game Grand Theft Auto: London 1969 (1999), by Rockstar Toronto (formerly Rockstar Canada) ...

Replaces tank theme with La Verdine performed by Latcho Drom. The theme is a little bit quiet, so in order to hear it increase music volume in audio options. Credits: Music from the video game Mafia: The City of Lost Heaven (2002), by Illusion Softworks Mu...