Spoiler: What is Cards Against Humanity? Cards Against Humanity is basically a card game where people pick funny responses to a card using cards from their hand. It really is quite self explanatory when you play it. I made a custom CardCast deck for Pretend You're Xyzzy. I'm currently in this game for anyone who wants to try it out: [game ended so there is no link here] Speaking of custom decks, it might be fun to make a Terrahypt themed deck.