UNO No Mercy card gameAge: +5 7 years. Size: 10x4x12cm. Includes 168 cards and game rules, UNO Show em No Mercy includes 56 additional cards, new rules, and ruthless special cards that make this version the most brutal edition to date! Ruthless special cards, such as Everyone Loses Turn and the Draw Six and Draw Ten jokers, force merciless play! The Stacking Penalties rule allows players to pass the penalty (Draw Two Four Six Ten) to the next player until whoever cant cast