To play for the grand prize, you must pick a series of keys that matches a series of doors. Once you choose the correct combination, you will have the chance to enter the million-dollar drawing. The million-dollar grand prize will be paid out as either an annuity of $50,000 a year for 20 years, or a lump-sum payment of $710,000.
In addition to the million-dollar drawing, there's also an instant sweepstakes. 25 first-prize winners will each receive $1,000, while 500 second-prize winners will each receive a $50 check.
Entry into Butterfinger Defense League's Unlock the One Million Dollar Key Search is open to US residents above the age of 18. Enter daily through August 31, 2010.
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