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Ground Zero

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  • Ground Zero
  • Ground Zero
  • Ground Zero
  • Ground Zero
  • Ground Zero
  • Ground Zero

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Developers & Credits

  • BioHazard

File Details

groundzero.vpk

(38.9 MB)

View Changelog

Version 1.1 Final

Featured
  • Ground Zero
    2 Maps
    Ground Zero
    N/A

    Your mission was to find and destroy a secret alien lab. Now you have crash landed and are stranded in an infested forest. Find your way to the underground entrance and complete your mission. Be sure you read any hints on the screen and...

    6,024
  • robot-1
    Mod
    robot-1
    N/A

    1_ Extract the .ZIP file. 2_ Move the robot-1.vpk file to ":\Program files\Steam\SteamApps\common\alien swarm\swarm\addons" 3_ Play!!! Hope You'll enjoy it! Note: _To disable the skin, go in-game --> Options --> applications and uncheck...

    4,771
  • How to install add-ons for Alien Swarm.
    Guide
    How to install add-ons for Alien Swarm.

    Installing Alien Swarm Add-ons Step 1: Download the add-on. All downloads are in .zip format. (You need to open the .zip archive to access the .vpk file.) If you can not open or extract the .zip/.rar file, download and install winrar for...

    5,949
  • Extermination
    7 Maps
    Extermination
    N/A

    Extermination is a campaign which unites these maps: Midnight harvest 1 Midnight harvest 2 Arctic infiltration Area Cold catwalks Yanaurus mine Forgotten Factory Communication station Full Treatment - Syntek hospital

    5,418
  • Tears for Tarnor
    3 Maps
    Tears for Tarnor
    N/A

    Welcome to the harsh planet of Tarnor. A nearly airless rock circling an ancient Red Giant, the planet is subject to baking heat in the day and freezing colds at night. Despite the unforgiving nature of the planet, the bustling colony of...

    5,450

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  • robot-1
    Mod
    robot-1
    N/A

    1_ Extract the .ZIP file. 2_ Move the robot-1.vpk file to ":\Program files\Steam\SteamApps\common\alien swarm\swarm\addons" 3_ Play!!! Hope You'll enjoy it! Note: _To disable the skin, go in-game --> Options --> applications and uncheck...

    4,771
  • Holdout
    Map
    Holdout
    N/A

    A quick survival map I created...and yes, it was significantly edited from its TileGen version. =P Basically all marines need to survive for as long as they possibly can. All difficulty modes are supported, but generally speaking this is...

    4,238
  • survival_outpost_snow
    Map
    survival_outpost_snow
    N/A

    This is a survival map You have to hold out in an outpost for 10 minutes and then an airship comes to save you. This is my first Alien Swarm map I hope you like it. How to install: Extract the .vpk file to: C:\Program Files\Steam\steama...

    4,682
  • Outpost 5
    Map
    Outpost 5
    N/A

    This is a Tilegen but I tried to add enough detail and change it up enough to make it worthwhile. Enjoy. Put vpk file in addons folder.

    4,041
  • SurvivalArena
    Map
    SurvivalArena
    N/A

    This is a survival map, where our place is the arena of battle. Our job is to kill the aliens in 1500. The map is quite difficult, you need to cover a good tactic. I wish you good fun.

    3,923
  • Lost Cause
    Map
    Lost Cause
    N/A

    Hold off against the swarm in this survival map. You have to keep alive for at least 10 minutes to win the mission.

    4,089
  • The Dead Temple
    5 Maps
    The Dead Temple
    N/A

    There are five missions in this Campaign. All the missions have specific objectives. Images for the addon and each mission on the selection screen have been added. Minimaps are available for 4 out of 5 missions. PDAs and Radio transm...

    5,800
  • Cold Catwalks
    Map
    Cold Catwalks
    Beta N/A

    An alien swarm map for everyone to enjoy! Hope you like it.

    5,306

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