UPDATE: Ok, turns out SteamWorkshop is being a ♥♥♥♥♥. Use http://www.mostimpressive.nl/AKF with the manual install.
@Hinsonator; Thanks for giving folks the heads up.

Complete collection for the WPC Aliens : KillingFloor

MANUAL INSTALL HELP
Having install problems? Rage in front of your computer? Want to kill your firstborn?
Here is the alternative downloadpage of all the files combined :

http://www.mostimpressive.nl/AKF

How do you install the zipfile, you ask? Open the folder called "AliensKF as of 30112012" and drag the entire contents (all the folders/files) in :
"C:\Program Files (x86)\Steam\steamapps\common\killingfloor". (overwrite all)

01] Download and install Sever Perks.
http://forums.tripwireinteractive.com/showthread.php?t=36065
Open the rar-file and drag files in
"C:\Program Files (x86)\Steam\steamapps\common\killingfloor\System"
02] Download package AliensKF
03] Extract files to correct folders.
04] From Solo menu select the "Aliens:Killing Floor" Gametype.
05] Select map and difficulty of choice.
06] Turn on mutators:
"WPC Aliens Path Mutator"
"WPC Aliens:KF Server Vetrancy Handler"
"WPC Aliens:Killing Floor Detail Mut"
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Steam does not always download all the files correctly. You might need to resubscribe sometimes.
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Almost 2 years in the making, the WPC together with Marco bring you the most comprehensive overhaul of killing floor to date. When Braindead and Hemi created the M41A Pulse Rifle for killing floor, there was only 1 logical next step. Lets make everything Aliens. Together with Wisky a plan was set into motion that would take the entire killing floor experience to new levels of terror. After persuading Marco to recreate the speed and ferocity of the Alien, including new gameplay functionalities as facehuggers and endboss-fights with the queen, the team started working on finalising the mod were no one can hear you scream. After multiple setbacks, the end is finally in sight. The Aliens themselves looked better and better, by overhauling meshes and textures allong the way. Weapons became more balanced and got shiney new textures. And to really immerse players into the universe of Aliens, created by James Cameron, they can now even play/sound like the iconic characters of the movie.

The AKF Aliens Killing Floor mod is finally here. And we hope serveradmins arround the world give KF-players a chance to experience new terror.

About :
AKF is one of the most comprehensive mods to date released for Killing Floor. The aim of this mod was to bring the feel and scope of James Cameron's Aliens to Killing Floor while in one hand remaining true to the franchise and in the other ensuring that it still retains the feel of Killing Floor.
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Features
01] New GameType
02] New Enemies consiting of a full line up of Xenomorphs
03] New Perks
04] New and Edited Weapons
05] New Player Skins and Sounds
06] New HUD and Loading screens
07] New Maps
08] New KFEditor plugin for Aliens exporting path data
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Credits
Mod
• Braindead
• Hemi
• Marco
• Whisky

02] Maps
• Swift Brutal Death
• Fel
• HaTeMe
• MrRoBoT
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Instructions for Solo play
Warning: Mod is intended for multiplayer, solo play will be difficult to impossible. You have been warned. ;)

Workshop
01] Subscribe to Server Perks
http://steamcommunity.com/sharedfiles/filedetails/?id=97735200
02] Subscribe to Collection "Aliens:Killing Floor"
03] Open killingfloor
04] Wait for the mods to download on the title menu of the game
05] When finished, restart the game
06] From Solo menu select the "Aliens:Killing Floor" Gametype.
07] Select map and difficulty of choice.
08] Turn on mutators:
"WPC Aliens Path Mutator"
"WPC Aliens:KF Server Vetrancy Handler"
"WPC Aliens:Killing Floor Detail Mut"

Rock out.

Instructions for Multiplayer
01] Install as described above.
02] Use the AliensKFGameType.AliensKFGameType gametype.
03] Activate the following mutators.
"WPC Aliens Path Mutator"
"WPC Aliens:KF Server Vetrancy Handler"
"WPC Aliens:Killing Floor Detail Mut"

04] Other recommended Mutators:
"Trader Anti-blocker"
"Max Players"

Configure "WPC Aliens:KF Server Ventrancy Handler" for database use if you use it.
An example startup line for your server would be :

KF-AtmosphereProcessor.rom?game=AliensKFGameType.AliensKFGameType?VACSecured=true?MaxPlayers=16?mutator=AliensKFServerPerksMut.AliensKFServerPerksMut,AliensKFExtra.AKFDetailMut,AliensKFXenos.MutAliensPath

For the true WPC Aliens KF experience leave the settings as is. Compatibility with other mods is unknown. If you add/remove or mod this mod and it breaks, destroys your server, sets your hair on fire and/or devours your first born don't come crying to us. This mod should work out of the box, if it doesn't you are doing something wrong. We currently offer no support to those who mod/edit this mod.
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Special Thanks
Goes out to all those we've not mentioned who put up with us during this mods development including the WPC members who would drop what they're doing to test stuff out. To the members of the TWI offical boards who's excitement for this mod kept us motivated to see it through the end. Spouces and girlfriends whom we must have driven mad.

This is a big thank you from the WPC mod team & friends. We hope you enjoy this mod and we'll see you in game!
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Contact and Feedback
You can reach us either at Wolfpackclan, Most Impressive, Wildcard Production Studios or over at the official TWI forums
Feel free to distribute this mod as you like under the condition this readme is included in the download and the original file structure remains intact.
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Want to check it out?
Go to "Multiplayer" on the menu. Select the tab "Favourites", rightclick with your mouse on the empty space and select "Add to favourites". Type in 207.237.69.11:7725 and your good to go.