'We should have just called it Half-Life 3: Episode One, but it's a bit late now,' he chuckles.
Even Valve boss Gabe Newell seems exasperated with trying to justify it. So it's part two of Half-Life 2, but episode one of three of the second half of the story? Something like that.
When is a sequel not a sequel? When it's Half-Life 2: Episode One, the confusingly titled first new episode in a trilogy of releases that picks up the story where HL2 left off.
