Unveiling Half-Life 2: Episode 3 Secrets and Free Anniversary Update

Valve has released a documentary celebrating the 20th anniversary of Half-Life 2, revealing footage and details of the canceled Half-Life 2: Episode 3 for the first time. The episode, set in the Arctic, featured innovative gameplay elements like an Ice Gun and a Silver Surfer mode. Development was halted after six months to focus on Left 4 Dead, and the project was eventually abandoned. Gabe Newell expressed regret over not completing the episode, which could have been finished in two more years.