Half-Life 3 announced by Valve in 2011. —Game Informer

Created by gwern on 2011-01-02; known on 2012-01-01; judged wrong by muflax on 2011-12-31.

• gwern estimated 80% on 2011-01-02
• gwern said “http://www.gameinformer.com/b/news/archive/2010/12/31/what-s-ahead-game-informer-s-2011-predictions.aspx” on 2011-01-02
• gwern said “about time” on 2011-01-02
• Konkvistador estimated 60% on 2011-07-22
• muflax estimated 50% on 2011-10-26
• muflax   judged this prediction wrong on 2011-12-31.