Three years after the partial release of Black Mesa Source, a Half-Life remake, a website connected with the game is sending out an emergency signal.

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The following message is transmitted at the request of local authorities. At 9:47 AM, Mountain Time, a disaster of unknown type has occurred at the Black Mesa Research Facility causing significant damage and failure to various power and communication systems in the surrounding areas. An immediate evacuation order has been issued for all residents within a 75 mile radius of the facility, and on-site military has been dispatched to provide assistance. Make sure to bring an emergency supply of food, water, clothing, first aid kit, flashlights with extra batteries, and battery powered radios. Follow local evacuation routes which have been marked by local authorities and only use one vehicle. Do not return to the warning area until the all clear has been given. If you are not in the evacuation zone stay where you are. If you are within the evacuation area and have no transportation locate your nearest police department or military officer. Do not use telephones or cell phones except in the case of emergencies. Stay tuned to local news media outlets for further details and information on this situation.

The website, BMRF.us (that's Black Mesa Research Facility), greets visitors with a multi-colored emergency screen similar to one you might see on TV during severe weather. After the attention signal ends, a message plays that warns listeners to stay away from Black Mesa due to "a disaster of unknown type."Check out the whole message below, transcribed by Reddit Craig Mirfin, a level designer on Black Mesa Source, tweeted out the link alongside the message "Not sure whats going on,, Im gonna hold out in the office complex.. internal communications are down :)"If you're unfamiliar with Black Mesa Source, a group of developers overhauled the original Half-Life in the Source engine, complete with new music, voice acting, and more. When they released the game in 2012, it included a good chunk of the story, but stopped before any of the later Xen levels.The developers have previously announced plans to finish Black Mesa Source and sell the game on Steam. Perhaps this is a prelude to the final version. IGN has reached out to Valve and the game's developers for more information. We'll keep you updated.

Brian is an associate editor at IGN. You can follow him @albinoalbert on Twitter.