said U.S. sales of the video game
totaled $170 million in the first 24 hours after its release.
Within the first 20 hours, more than 1 million Xbox Live members went online to play the game, making Sept. 25 the most active Xbox Live gaming day in history, the company said.
More than 1.7 million copies of
were preordered in the U.S. before the game went on sale earlier this week. "
has become a pop-culture phenomenon," said Shane Kim, corporate vice president of Microsoft Game Studios, in a statement.
Shares of Microsoft tacked on 0.6% to $29.67 early Thursday.