Which game's controversial 'Believe' advertising campaign featured a diorama museum exhibit depicting a massive battle scene that was toured across multiple countries?

In the competitive world of gaming, advertising campaigns can become legendary in their own right. Some marketing moments transcend the games themselves to become cultural phenomena, generating massive buzz and sometimes even controversy. Test your knowledge about one of the most talked-about gaming ad campaigns that pushed creative boundaries and sparked conversation across the industry.

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Halo 3
Call of Duty: Modern Warfare 2
Gears of War
World of Warcraft