Believe
From Halopedia, the Halo wiki
Believe is a Microsoft marketing campaign for Halo 3.
It features the word "Believe" as a tagline, and includes handouts, live-action TV commercials, and magazine page advertisements:
- Believe (Event) - A pamphlet distributed at the Projekt Revolution musical festival, featuring in-universe musical presentation of the UNSC Symphony Orchestra
- Museum - A live-action TV commercial