I made this list in response to a forum question at http://kawaii.io However, the list was so long that it broke the thread, preventing anyone else from replying.
Some formatting may look odd until I have time to reformat this. I just wanted to move it off the forums to try to unbreak the thread in question.
Are you looking for just anime STYLED games with anime-ish graphics? Or games actually BASED upon an existing anime series?