http://kahuna.psych.uiuc.edu/ipl/vis/mparallax/level_3.html

The Bad GuysTM have you trapped in a matrix of alternate universes! But by careful observation, aided by your ability to detect motion parallax, you may just be able to find your way out.

Web Experiment

University of Illinois

Internet Psychology Lab

January 1st 2000 - January 1st 2003