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Rocket Launcher., Maps and mods that have between 30 and 60 minutes worth of gameplay, for a normal player." />
The terraformation of Xen has begun. The planet now supports a breathable oxygen-nitrogen atmosphere and earth-like gravity. A scientific facility called the Xeno Project has been set up on the planet for continuing research into portal technology. Tension on the planet is running high due to the secrecy surrounding the project and the military’s distrust of the scientific community.
You are Gordon Freeman. Your mission is to report to the underground test lab at the Xeno Project.
See what the U.S government keeps secret! Go undercover to infiltrate the top-secret military base at Groom Lake Nevada.
Alarming reports within the media have led the British government to send you on a trip to the back of beyond, a place called Roswell, widespread insanity of the American populace has brought the country to its knees, your mission if you choose to accept it is to infiltrate the Roswell base and stop a possible contamination of a deadly virus (maybe alien!) and eliminate any suspected parties