The Cards Against Humanity: 300 Green Box Expansion Pack is an expansion pack for the popular card game that allows players to engage in outrageous and hilarious gameplay. With a minimum of 4 players and a maximum of 8 players, this expansion pack is designed to be played by groups of friends aged 17 years and up. Released in 2016, this US edition includes additional cards to enhance the playing experience and provide even more opportunities for hilarious fun.