The PC version of "Half-Life 2," released in 2004, has an average rating of 96 out of 100 from professional reviewers, and 9.2 out of 10 from users, according to Metacritic. The Xbox version, released in 2005, has an average professional rating of 90 and a user score of 8.7.
"Half-Life 2" was Metacritic's highest-rated and most discussed PC game of 2004, and it was the fifth highest-rated Xbox game of 2005. In general, reviewers of "Half-Life 2" praise the game's graphics, story and voice acting. A 2004 Eurogamer review of the PC version applauds its innovative physics-based gameplay. However, many reviewers disapproved of the game's relatively brief length.