With the help it, Ben is able to transform into ‘Ultimate’ forms of the aliens. You may not know but in Ultimate Alien, Ben has a mysterious new ‘Ultimatrix’ which is the upgraded version of Omnitrix. Ben 10 Ultimate Alien games are made after the cartoon series became very popular during 2010 – 12. The list of Ben 10 Ultimate Alien games is not so big but it is for sure that all these games are completely entertaining. His secret identity is now revealed and he has become an International Superhero who is loved by kids and adults alike. Now, Ben is not just a 16 year old boy saving the earth. These games are based on the TV series in 2010. Ben 10 Ultimate Alien Games | Play Online & Free Downloadīen 10 Ultimate Alien games online to play now for free! Here are the best Ultimate Alien games for you to download and play online on your pc and mobile.