until an exec told Gabe Newell 'that's just not gonna work… the company will fail' In the finished Half-Life 2, there's a section where Gordon and Alyx are fighting through City 17 trying to ...

As part of Valve's celebration of Half-Life ... art book, the Combine's destruction of Earth's biosphere was initially meant to be much more overt and oppressive in the game, with a greenish sky ...