This program visualizes pi by assigning a random color to each digit (0 is black, 1 is red, 2 is green, etc) and then displaying that color when it shows up in pi.
If it looks completely random, that's because duh- it is!
For my birthday this year (2015), I created 45 little programs- one for each person who wished me happy birthday. This is one of those little programs.
Here is a full list of those programs.
This is a game by Kevin.