Photos: Game Design Challenge 2006

Will Wright and Game Design Challenge moderator Eric Zimmerman of GameLab on stage at the Game Developers Conference.

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"Katamari Damacy" creator Keita Takahashi presents his game idea at the Game Design Challenge in San Jose, Calif.

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Will Wright wears the tiara given to him for his victories in the 2004 and 2005 Game Design Challenges.

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Game Design Challenge winner Harvey Smith gives his presentation on a game that he hopes could win the Nobel Prize.

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Keita Takahashi's presentation for a game that could win the Nobel Prize involved the idea that people love video games and that more people playing the games would promote peace.

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"Katamari Damacy" creator Keita Takahashi showed photographs and videos of the game's characters during his presentation at the Game Design Challenge.

Daniel Terdiman/CNET News.com