ngmoco's Bryce Baer has confirmed the acquisition the acquisition of Lionside to GamesIndustry.biz.
"We can confirm that ngmoco has acquired the Lionside team," he said. "The terms of the agreement are undisclosed. We are very excited to have Lionside join the ngmoco and DeNA family. They are working on new products for the Mobage social gaming platform, bringing their passion and experience to our continuously expanding first party development capabilities."
Mobile developer and publisher ngmoco is rumoured to have acquired NBA Legend developer, Lionside.
According to Inside Social Gaming, vice president of business operations Michael McBride and European account manager Kane Curran both updated their Linked In profiles to indicate that Lionside was "acquired by ngmoco."
Brandon Barber, Lionside's CEO, also updated his Google+ profile to read, "Lionside & ngmoco marketing and product guy."
Lionside's official website has also been taken down, and its two games, Lionside Football and NBA Legend, are not currently available to play on Facebook. The company did not respond when asked for comment.
Lionside was founded in 2009 as Popside, with a goal of developing sports games for social networks. The company raised $1.6 million in first round funding in November 2010.