WhatIsDifferent.com
is a fun online game where you look at two images and try to figure out
what is different about them. There are five things different
about each pair of images. You score points for answering correctly and
lose points fro wrong answers. You can try to get through as many levels
as you can. As you advance the time clock speeds up each time. High
scores are tracked and there is a leaderboard to show who does the best.
Warning - this game is highly addictive!