A simple-minded mouse game that's more difficult than it looks: Optus Tennis Challenge.
http://www.mcsaatchi.webcentral.com.au/tennischallenge/optus_tennis_site_edited.html
I got 54 but then I had to blink.
http://www.mcsaatchi.webcentral.com.au/tennischallenge/optus_tennis_site_edited.html
I got 54 but then I had to blink.