This refers back to a legendary message that appeared in Crowther & Woods’ text adventure game ADVENT: “You are in a maze of twisty little passages, all alike.”
Many games have included variants of this. It also appeared in Zork (“The second of the great early experiments in computer fantasy gaming”, as The New Hacker’s Dictionary describes it), and in the Hitch Hiker’s Guide to the Galaxy game you appear in your own brain, in “a maze of twisty synapses”.