Which military recruitment advertising campaign pioneered interactive gaming as a recruitment tool and cost over $33 million to develop?

During times of war, nations have employed various advertising techniques to boost recruitment, maintain morale, and gain public support for military efforts. From the iconic Uncle Sam posters to sophisticated multimedia campaigns of modern warfare, military advertising has evolved dramatically. This trivia question explores one of the most innovative and controversial military recruitment campaigns in history.

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America's Army (U.S. Army, 2002)
Be All You Can Be (U.S. Army, 1980)
Royal Navy: Made in the Royal Navy (UK, 2014)
Tour of Duty (Australian Defence Force, 1999)