Home News Halo 3 Free Halo 3 multiplayer all weekend News by Patrick Garratt Founder & Publisher (Former) Published on April 11, 2009 Follow Halo 3 Bungie's announced a weekend of free Halo 3 multiplayer for all, so if you've only got a Silver Live account, you're now welcome to the party. For a few days. The promo ends at 9.00am PST on Monday.