You are looking at Conway's rational tangles: the tangles you could get
from two pieces of string by repeatedly picking two neighboring
ends to twist over each other.
But in this game, you have only two kinds of moves:
Get a friend to scramble it for you—or,
if your friends are social-distancing, check the
⚙ menu for an auto-scramble button.
Then try untangling it. Good luck!
In memory of
John Horton Conway (1937–2020),
dwelling in particular on the
performance that this game is an adaptation of—during which
he wrapped the tangle in paper that he later tore open
with his teeth.
released under the Unlicense.