Cards Against Humanity Red box and green box Brand new in original packaging, unopened The Red Box comes with 300 fresh cards to add to your deck of Cards Against Humanity, so if you ate one card every year, it would last for 300 years! 300 new cards to seamlessly mix into your game. Requires the main game. Goes great with the Blue Box and Green Box. Not edible, but that doesn’t mean you can’t try. The Green Box comes with 300 fresh cards to add to your deck of Cards Against Humanity, instantly solving all your problems and making you permanently happy. 300 new cards to seamlessly mix into your game. Requires the main game. Goes great with the Red Box and Blue Box. This the Cards Against Humanity website’s favorite expansion pack.