Nebraska grew to become the 37th Mega Millions collaborating member on March 20, 2010, followed by Oregon as the 38th member on March 28, Arizona as the 39th member on April 18, and Maine as 40th Mega Millions participant on May 9, 2010. Colorado and South Dakota added Mega Millions on May 16, 2010, bringing the total to 42 jurisdictions. Ohio joined Powerball on April 16, 2010. On March 1, 2010, nha cai mb66 Montana became the primary MUSL member to add Mega Millions after the cross-sell enlargement. On March 13, 2010, New Jersey became the first Mega Millions participant (simply earlier than the cross-promote expansion) to supply a jackpot-winning ticket for Powerball after becoming a member of that game.

Presumably because of their expertise with the power Play option for Powerball, all 23 lotteries joining Mega Millions on January 31, 2010, instantly provided Megaplier to their players. On the same day, 10 present Mega Millions-collaborating lotteries started promoting Powerball tickets. Virgin Islands, in October 2010, and Louisiana in November 2011. Florida joined Mega Millions on May 15, 2013, the primary drawing to include Florida-purchased tickets was two days later. Mega Millions tickets purchased with the Megaplier choice, beginning September 12, 2010, robotically won $1 million (instead of $250,000) if the 5 white balls - however excluding the Mega Ball - are matched.