One of the standout parts of 'Half-Life 2,' the gravity gun allows you to pull objects toward you or push them away. However, Valve introduces one weapon that revolutionizes the genre: the gravity gun. Later, you'll wield shotguns and rocket launchers. Value has given Gordon Freeman his trusty crowbar to start the game.

Like most first-person shooter games, you'll upgrade your weaponry on a regular basis. Just when you start to master one activity, 'Half-Life 2' introduces something new. You'll drive cars, pilot boats, sneak through abandoned buildings, and solve puzzles. Join and eventually lead the Lambda Resistance as you uncover mysterious secrets that could shape the world.Though the game starts out as a first-person shooter, this 15-hour adventure from Valve offers a lot of variety.

Reconnect with old friends and make new ones all in an attempt to stop the evil Combine. In 'Half-Life 2,' Gordon is brought into the future by the mysterious G-Man.

Enter the fascinating world of 'Half-Life 2' and follow the story of Gordon Freeman, the scientist-turned-marine who managed to escape from the Black Mesa Research Facility.

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