Massive 12TB Steam Leak Unearths Lost PC Gaming History, Includes Half-Life 3 Assets

A colossal data leak, totaling 12 terabytes, has exposed a vast archive of PC gaming history from Steam, spanning from 2003 to 2013. The sheer volume of the leak means its full contents are still being explored, but initial discoveries have already sent ripples through the gaming community.

Among the most significant finds are assets related to the long-canceled "Half-Life 2: Episode 3," a project that has been the subject of intense speculation and desire among fans for over a decade. The leak also contains cut content from "Portal 2," offering a glimpse into the development process of beloved titles. This "teraleak" represents an unprecedented trove of information for game historians and enthusiasts, potentially shedding light on numerous unreleased or altered game elements from a pivotal era in PC gaming.