Today, zip files associated with Half-Life 2 are typically related to community mods, patches, or archival projects.

: While a "black eye" for Valve at the time, these files now serve as a "simple curiosity" for fans to see cut content like unused textures, weapons, and characters. Working with Half-Life 2 Files Today

In September 2003, just days before the game's original intended release, a German hacker named Axel Gembe managed to gain access to Gabe Newell’s account. The result was a massive leak of the unfinished source code and a playable "beta" build.

: The leaked files included the "WC map pack," which contained roughly 1,300 prototype and cut maps.