. "Marketing of Halo 3#Halo ActionClix" . "Iris" . . "Marketing of Halo 3#Merchandise and promotions" . . "Marketing of Halo 3#Alternate reality game" . "Marketing of Halo 3" . "marketing the game" . "marketing ''Halo 3''" . "''Halo 3'' \\\"Believe\\\" diorama" . "marketing of ''Halo 3''" . "Believe" . "Halo ActionClix" . "E₃ 2007 trailer" . "Believe Campaign" . . "Halo 3" . "promoting ''Halo 3''" . "Starry Night" . "The Museum" . "\\\"Believe\\\" campaign for ''Halo 3''" . "Marketing of Halo 3" . "Landfall" .