Cards Against Humanity is an adult party game that has gained immense popularity since its inception in 2011. The game is designed for players aged 17 and older and is known for its dark humor and politically incorrect content. It involves players completing fill-in-the-blank statements using words or phrases typically deemed offensive, risqué, or politically incorrect, printed on playing cards. The game's tagline, "A party game for horrible people," aptly reflects its irreverent nature and appeal to those looking to push social boundaries in a humorous context.