You Can Play Chess in a Hidden Facebook Chat Game

A simple command line opens up the Game of Kings.

Enable And Play Facebook Messenger's Hidden Basketball Game, Here's How

Facebook Messenger Chess: How to play secret chat game

Chess 4 (4 Player Chess) – Fancy Chess

How to Play Hidden Games in Facebook Messenger

Genius Facebook Messenger tricks revealed – secret games, sending money and more

You Can Play Chess on Facebook Messenger

How to Play Facebook Messenger's Secret Chess Game « Digiwonk :: Gadget Hacks

Facebook Messenger Has a Hidden Chess Game; Here's How to Get Started

Chess Variants: Entertaining, fun, instructive

How to Unlock (and Play) Hidden Chess Game Inside Facebook Messenger