Valve artist Evgeniy Evstratiy has confirmed that Half-Life 3 is not only real, but in active development at Valve.

A concept artist that's working on Deadlock suggests that they've seen evidence of Half-Life 3 in a past visit to Valve's ...

One Half-Life 2 fan traced elements from the 2003 beta version of the game and compared them to the final release. According ...