XKCD Crossword xkcd February 22, 2024 0 Comments Section: Brain Teasers Category: Deduction Difficulty: Easy Can you solve XKCD’s crossword puzzle? SOLUTION All letters in the crossword are “A”. Bookmark xkcdWebsiteXKCD is a serial webcomic created in 2005 by American author Randall Munroe. It is described by its author as "a webcomic of romance, sarcasm, math, and language".