Bethesda and id got fans excited about Doom again with a rousing launch. During E3, they announced that a demo of the first level of the single-player campaign was playable the week of the show. Now that has been extended.
In a tweet revealing the extension, the company said it was "due to popular demand." Apparently there was no reason not to do it, so Bethesda said what the hell. There were no details released on how long this demo would last, so grab it while you can.
At E3, the first expansion for the game was revealed, called Unto the Evil.