Last week's emergency broadcast is just one of the many things that happened to Half-Life fan remake Black Mesa since its late 2012 release. If you're one of those people who don't follow the project religiously, Valve News Network's video can help bring you up to speed.

The seven-minute clip deals with everything that's happened to Black Mesa in the past two-plus years, including the announcements pertaining to its retail release on Steam, its sporadic content updates, and the ongoing Pizza Code Mystery ARG. Check it out:

Top image via the Pizza Code Mystery wiki.

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