Cards Against Humanity was created by a group of alumni of Highland Park High School as a party game for a New Year’s Eve celebration. Cards Against Humanity was financed through the website Kickstarter, exceeding its funding goal by nearly 300% by the project’s end on January 30, 2011. Creator Ben Hantoot stated in an interview with Dice Hate Me that the game was developed by “8 of us who are the core writer-creators, 5 or 6 additional ‘part time’ developers” and “dozens of friends and acquaintances who have played the game”.
In October 2011, the game was exhibited as part of the “Big Games” area of the annual IndieCade games festival in Culver City, where the release of a first expansion was officially announced.
In November 2011, Cards Against Humanity released the first expansion to their game, which contained 112 new cards and sold out in three days.