Ben 10 is an animated television series. The series centers on a boy named Ben Tennyson who acquires the Omnitrix, an alien device resembling a wristwatch, which contains DNA of different alien species. Using the Omnitrix, Ben is able to transform into powerful aliens with various abilities. The Omnitrix initially contains ten aliens, although later on Ben obtains more species by adding their DNA. Ben 10: Memory Universe is a game based on this, your task is to find two cards of the same aliens, are you ready? Click to play.