Like the first game, an instant-classic from the team at Valve. Builds on the story and mechanics of the original, fleshing out the history of Aperture Science and adding some new characters to the mix. If you're still on the fence, get off that rusty deathtrap and buy this game.

Like the first game, an instant-classic from the team at Valve. Builds on the story and mechanics of the original, fleshing out the history of Aperture Science and adding some new characters to the mix. If you're still on the fence, get off that rusty deathtrap and buy this game.