Also, here's how to control this:
While viewing chaos:
While in menu:
Rotate modes go like this:
EDIT 2: Added step option, which lets you run the chaos game faster.
EDIT 3: Added some more polish, including a tooltip to tell you about the menu.
Old versions (not sure why you need them, but)
Somehow, box causes extreme lag. To reproduce, just add this code:
box(0, 0, 0, 127, 127, 63, 7)
I don't want to kill people's browsers, but here's a cart. Play at your own risk.