Cards Against Humanity is a multiplayer party game currently available as a free download or a published hardcopy. The game is available under a Creative Commons license. Its title references the phrase 'crimes against humanity', reflecting its politically incorrect content. Cards Against Humanity was created by a group of Highland Park High School alumni 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.
Contributions by 22.214.171.124, Jsdillon, and Tktru.
You can find them at some small novelty stores in Chicago.