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Alien Swarm > Maps > Campaign Invisible Threat
A Map for Alien Swarm
Map Parent Submitter Stats
Improved collisions, now players don't stuck in small props
Improved navigation, drones don't get stuck behind obstacles
Various small improvements to visuals and other stuff
Invisible Threat is a one map campaign. This is a map which was second in Biogen Corporation campaign. Players didn't have guns and had to fight almost invisible aliens. In this version the gameplay was changed to have guns and fight usual aliens.
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