Half Life 2 needs no introduction to any avid computer user as it is one of the most popular game title ever, the game holds the world record for "Highest Rated Shooter by PC Gamer Magazine" in the "Guinness World Records" with awards including two 'Game of the Decade' amongst many others.
The great news is that now any Nvidia or ATi graphic card owner can grab free full-version copies of "Half-Life 2: Deathmatch" and "Half-Life 2: Lost Coast" episodes.