There's a reason why your socials are awash with blocks of yellow, grey and green. It's spelt W-O-R-D-L-E.
A mix between Scrabble and Mastermind, only 90 people played it online less than two months ago in November, rising exponentially to millions by January as more and more people are becoming addicted to the one-play-per-day game, testing both word knowledge and deductive reasoning.
Created by Josh Wardle, a New York software engineer who is originally from Wales, as a little free online game that can only be played once a day on a website, millions of people have become completely obsessed with the game that provides clues to the day's 5-letter word by giving the player green, grey and yellow blocks.