An Alternate Reality Game Hidden in the Forums
Halo 3's viral marketing kicked off in a strange way: on June 11, 2007, Bungie.net's forums appeared to be 'hacked,' setting off months of clue-hunting as fans pieced together hidden servers that gradually revealed the final days of the Forerunners. The campaign, known as Iris, folded story lore directly into the game's real-world promotion.
