Cartoon Network's Ben10 fans can find Free Ben10 games by following the link: http://www.cartoonnetwork.com/games/ben10/battleready/index.html. From there, you can easily choose from several free Ben10 games to play almost immediately.
Cartoon Network airs the Ben10 show. Even if something changes and the above link no longer takes you directly to the games, navigate to www.cartoonnetwork.com, and then search for Ben10 in the search box on the homepage. The games may require your computer to have the Adobe Shockwave Player as a plug in, but it should be easy to install with prompts if you don't already have it installed on your computer.