After surviving an air crash, the survivors turn out to be in most epicenter of the contamination. The Military has already left all attempts to rescue survivors in the region.

THIS IS A CONCEPT CAMPAIGN. IT IS NOT FINISHED AND MAY NEVER BE FINISHED. This was only made to demonstrate an idea and concept we as developers have for a campaign. Blood Harvest Remastered would be an environmental overhaul on the de...

This is a port of the "The Bloody Moors" campaign from L4D2. Port is not an exact copy of the original, various changes have been made to it to work in L4D1. Thanks: • keved - for the original L4D2 campaign. Link to original: ht...

Forced to abandon their vehicle and travel on foot, the survivors press on in search of rescue... Also available for download on the l4d(dot)com website. Thanks: • Boogada- for the original L4D2 campaign. Link to original...

Underground Edition pictures VS APOCALYPSE pictures hmmm....

You spawn in the forest and you'll need to get to the forest airport (final action from 'Dead air'). [Final version!] Join steamgroup - /groups/7hl

This is a port of Hard Rain to the original Left 4 Dead for the HardA server. This is not an exact port of the campaign and has some changes to ensure stability and compatibility. All assets required are included in the VPK ensuring n...

This is a port of the "Devil Mountain" campaign from L4D2. Port is not an exact copy of the original, various changes have been made to it to work in L4D1. Thanks: • Mark McDole - for the original L4D2 campaign. Link to original:...

This is a port of the "Buried Deep" campaign from L4D2. Port is not an exact copy of the original, various changes have been made to it to work in L4D1. Also, the final mission uses the standard ending mode rather than the scavenger mo...

The survivors traveling in a ceda convoy heading west were diverted to a evacuation center in rural Idaho. Before they reach the center their convoy is attacked. After hiding in a nearby house they decide to seek out this evac center. ...

This is a port of The Last Stand to the original Left 4 Dead for the HardA server. This is not an exact port of the campaign and has some changes to ensure stability and compatibility. All assets required are included in the VPK ensur...

This is a port of Cold Stream to the original Left 4 Dead. This is not an exact port of the campaign and has some changes to ensure stability and compatibility. All assets required are included in the VPK ensuring no extra download is...

This is a port of Swamp Fever to the original Left 4 Dead for the HardA server. This is not an exact port of the campaign and has some changes to ensure stability and compatibility. All assets required are included in the VPK ensuring...

TRS's last Left4Dead campaign that was never finished, now completed to a more finished state by DGB. Dam It stitches Dead Air and Blood Harvest together. The C130 makes an emergency landing at a small rural airport and the survivors ne...

Turtle Rock Studio's last Left 4 Dead campaign that was never finished, Dam It stitches Dead Air and Blood Harvest together. Copyright 2016 [Turtle Rock Studios] This item is not authorized for posting on Steam, except under the Steam a...

This campaign is a Prequel to Frozen and is the start of the 'Timeline' for my campaigns. The survivors are stuck on a cargo ship that is infested with zombies so they get a chopper to help them... Soon the chopper crashes leaving them ...

this i exclusive for L4D 1 hmmm...

Six days after the infection you 4 are still alive, but it's just the begining... You have to survive 5 more days in those various landscape! Good Luck! Thank you for reporting bugs ;) Thx to your comments, it's now complete! Build for...

original map by ROMBU details/4375 1. I modify mission.txt so we can play this map in versus mode 2. Change Clip brushes to PlayerClip brushes on map 1,3,4,5 (modify18 lump files) Special infected can enter more areas.

This is a port of the "SaltHell Park" campaign from L4D2. Port is not an exact copy of the original, various changes have been made to it to work in L4D1. Thanks: • Hypnocyst - for the original L4D2 campaign. Link to original: h...