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"Monsters vs. Aliens" was the latest success story for digital 3-D projection. While the 2,080 3-D screens accounted for just 28 percent of the roughly 7,300 on which the movie played, they made up 56 percent of its total box-office haul, said Anne Globe, head of marketing for DreamWorks Animation.
Tickets for 3-D movies typically cost a few dollars more than the 2-D version.
"Audiences donned 3-D glasses in the biggest way ever," Globe said. "`Monsters vs. Aliens' serves as valuable proof of concept for the next generation of 3-D."
The company plans to offer 3-D versions of all of its future animated films, including next year's "How to Train Your Dragon" and "Shrek Goes Fourth," the third sequel to the blockbuster ogre franchise.
Other upcoming 3-D releases this year include Pixar Animation's "Up" and James Cameron's sci-fi adventure "Avatar."
Large-screen IMAX theaters showing "Monsters vs. Aliens" in 3-D accounted for $5.2 million of the movie's overall grosses. Those 143 IMAX theaters represented only about 2 percent of the screens on which the movie played but contributed 9 percent of its total box office.