http://www.nextpowerup.com/news/18546/valve-is-teasing-half-life-3-announcement-at-gdc-2015.html
Either this is for real, or Valve is trolling us hard, again. At GDC 2015, which will be held in the first week of March, Valve has scheduled a media event for Tuesday, March 3rd, at 3PM.
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Half Life 3 confirmed! Fans have long since given up the hopes of seeing HL3, but there are some foolish ones (like me and you) who don't give up.
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