Uno Show 'em No Mercy is our most brutal Uno game yet It has a ton more cards with Way tougher penalties draw 10 cards anyone and new rules that will have players stacking, swapping and drawing more cards than ever before And there's even a Mercy Rule yes, we get the irony if things get too rough. There are two ways to win in this merciless version of the classic game: get rid of all cards Or knock all other players out of the game Oh and if you manage to get down to one card, don't forget to yell 'Uno '