Madison mobile game developer PerBlue has been named one of the 2012 Empact100, the only Wisconsin company to make the list, which honors outstanding entrepreneurs under age 30. Co-founded in 2008 by Dane County native and UW-Madison graduate Justin Beck ? who turned 25 in April ? PerBlue has 40 employees. The company had $1.5 million in revenues last year, all based on its flagship game, Parallel Kingdom….Beck and the other honorees have been invited to a luncheon at the White House on Sept. 28, and 15 of them will be chosen next week to make two-minute presentations about how they will give back to the entrepreneurial community.