A Japanese game developer, DeNA, is buying American firm ngmoco in a deal which could be worth up to $403 million, according to Reuters. At least $303 million is being offered in cash, shares and stock options, while the remaining amount is contingent on ngmoco's 2011 sales. ngmoco was one of the first high-profile developers of iOS games, and is responsible for titles like We Rule, GodFinger and Rolando.
