

At least one industrial building exists on Xen, which contains lights, elevators, conveyor belts, pistons, force fields, and more. Some homes on Xen are seen, although they are not luxurious and are very simply made. They have colonized and taken over the planet, and preserved certain species from their world. Many of the creatures in Xen have fled their homeworlds due to the Combine's takeover of their planet, notably the Vortigaunt and Nihilanth. There are some trees on the planet which are alive, and will attack anyone who gets near them. The Hazardous Environment Combat Unit (HECU) is sent in to kill anything and everything remaining, while the Black Ops are sent in to arm a nuclear device. After a cataclysmic disaster in Sector C, Gordon Freeman is left to fight off retarded zombie alien things and other creatures. Many creatures reside here like the Barnacle, Bullsquid, Headcrab, and Houndeye as terrestrial animals, and some flying bird-like creatures, like Boids, also reside on the planet. A badass research facility located in New Mexico. All of its life has been transported from some other planet from another dimension. The Black Mesa Research Facility is the primary setting for Half-Life and its three expansions: Opposing Force, Blue Shift, and Decay. Xen's atmospheric composition is very similar to that of Earth's, so humans are able to travel to the planet without any extra equipment, and aliens on Xen do not have any problems surviving on Earth. The islands are all hundreds of miles away from each other, so to compensate for this, the aliens occupying the planet have built several teleporters across the islands in order to easily get around. An interesting property of Xen is that the asteroids are actually slowly falling down onto its surface, so gravity is directed strongly downwards. Because it is so high up, the gravity is significantly lower than on Earth's. Xen is an ocean planet of 7 Earth masses with no solid surface, however, near the very top of its atmosphere, many floating asteroids are present, which is where all of its population lives. Some other species, including the Alien Controller, Alien Grunt, Headcrab, Vortigaunt, Barnacle, Houndeye, Bullsquid, Tentacle, also fled here for unknown reasons. Many alien species have relocated here, most notably the Nihilanth race, who were attempting to flee from the Combine as they destroyed their homeworld. it is where all multiverses connect with eachother, and it exists in its own separate dimension, described as an "dimensional transit bottleneck-an area of continual contention" by Earth scientist Marc Laidlaw. Burn Notice ID Badge - CIA Michael Westen costume prop cosplay. Seller 100 positive Seller 100 positive Seller 100 positive. The planet functions as a sort of "border world" between universes - i.e. Portal Black Mesa Research Facility NM 2-sided ID Badge-Gordon Freeman. It was discovered by the Black Mesa Research Facility scientists on April 3, 2000. It is a giant planet featuring many islands hovering above its surface. Xen is a super-Earth ocean planet located in the Half-Life universe.
