Half-Life 2(HL2) was released November 16, 2004 by Valve. Half-Life 2 is a FPS science-fiction sequel from the game Half-Life.
It takes place in the future of the Half-Life universe where the Combine, an alien race that has taken over Earth rule. The Administrator from the first game Wallace Breen works for the Combine which rule Earth quite harshly.
The story follows the protagonist Gordon Freeman as he and allies such as Alyx, Barney, the restiance as well as other people.
He joins the resistance to take down the Combine in a gripping story packed to the brim with action.
Offical Half-Life wiki: http://half-life.wikia.com/wiki/Half-Life_2
Half-Life 2 Website: http://orange.half-life2.com/
For more information about HL2 please visit these sites