Austin-based Sneaky Games, which develops freemium, fantasy role-playing games, has been acquired by gaming and content studio Zattika, Zattika said Monday. Financial terms of the buy were not disclosed. Sneaky Games develops Fantasy Kingdom, Vampire Legacy, and Monster Island, three role playing games for Facebook. Sneaky Games was headed by David Godwin, who spun Sneaky Games out of his game development firm Net-Recon. Zattikka acquired Sneaky Games as part of the acquisition of three, different social gaming firms, including Swedish firm Hattrick and San Francisco and Shanghai-based Concept Art House. Sneaky Games had been backed by Liahona Ventures.