You and your friends discard cards in sequence, and the player who discards every card first wins.
Any player who doesn't have the correct discard must bluff, and if you think your friend is bluffing, hit the BS Button. It flashes red and plays one of more than 60 random ways to call BS.
BS Button Game includes casino-quality playing cards with original illustrations.
Keep the big, red button handy anytime you need to call BS. It's only BS. Deal with it.
Short, sequential instructional videos are posted on this listing page. (2) AAA batteries (not included).