Perhaps Half-life was truly successful and left a tremendous mark. And perhaps, the thing that gives Half-life such brilliant success is the clear and interesting story line. In a planet far away from Earth called Xen, there is a Vortigaunt race headed by Nihilianth – the supreme leader of the race. An empire named Combine attacked, turning them into slaves and cornering their race to the end.
Meanwhile on Earth is beautiful, hundreds of light years from Xen, at the Black Mesa study area in New Mexico. This is a research area behind a desert – a fictional complex with many similarities to the Los Alamos National Laboratory. They are conducting numerous experiments to explain the disappearance of the Borealis.
And in a failed experiment, causing a serious consequence, the whole study area was destroyed and more horrible, creating a space gap, it directly connected to Xen planet in Vortigaunt. are against Combine. Immediately, the puncture caused the creatures from the planet to think it was the only way out and immediately followed the hole to penetrate the Black Mesa study area.
Lucky not to die, Gordan managed to escape and help the injured. But unfortunately, he himself is currently facing a pursuit from two great forces, strange creatures from Xen and the HECU team. It is the task force of the government sent to destroy the creatures from Xen overcome the problem and kill the surviving witnesses completely.
Upon leaving the ground, Gordon witnessed a battlefield with air strikes and shootings between troops and creatures from Xen. At the same time, the crack made the Combine detachment pay attention to the Earth and they decided an invasion.
The superior Combine force of technology has easily taken over the Earth after only 7 hours of fighting, and made the combination of human DNA with Combine technology to create warriors for them, called is Overwatch. Most of the population centers are destroyed, and the rest of the population are placed in lifeless numbers.