Which gaming advertising campaign set a Guinness World Record for 'Most Viewed Video Game Trailer' in its first 24 hours and fundamentally changed how AAA games were marketed?

In the competitive world of gaming, advertising campaigns can make or break a product launch. Some campaigns become legendary, changing not just how a game performs in the market, but how the entire industry approaches marketing. This trivia question focuses on one of the most influential gaming advertising campaigns that revolutionized how games are promoted and became a case study in effective brand positioning.

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Activision's 'There's a Soldier in All of Us' live-action campaign for Call of Duty: Black Ops
Rockstar's gradual teaser campaign for Grand Theft Auto V, culminating in the record-breaking trailer
Microsoft's 'Believe' diorama campaign for Halo 3, featuring realistic war memorial-style promotion
Sony's 'PlayStation 9' futuristic concept campaign for the PlayStation 2 launch