During an interview, retired lead writer Mark Laidlaw gave some opinions on the possibility of a sequel, or at least a conclusion to the Half-Life 2 series, but his comments might disappoint fans.
Half life 3 RSS
Although it doesn't confirm the mythical third installment in the series, the latest update to the game fixed numerous crashes and bugs and might contain a hidden message for fans of the series.
Valve programmer Jeep Barnett says that a lot of game franchises are being tested with the company's new headset developed in collaboration with HTC, one of these includes Half Life.