"Ben 10" games can be played for free on the Cartoon Network website. The games are based on the animated series which was created by Joe Casey, Joe Kelly, Duncan Rouleau and Steven T. Seagle between 2005 and 2008.
"Ben 10" originally aired on the Cartoon Network on December 27, 2005. The series follows the main character, Ben Tennyson, who is a normal boy who uncovers 10 new versions of himself when he discovers the Omnitrix; this alien device transforms whoever wears it into 10 different species of aliens. The series was loosely based on "Dial H for Hero," a comic book from the 1960s. Tara Strong provided the voice for the title character.