Worlds Smallest UNO Card Game Experience the classic UNO game in a fun ultra-miniature size! The Worlds Smallest UNO is a fully functional pocket-sized version of the iconic card game complete with 112 cards and a tiny tuck box. Perfect for travel collectors or a fun novelty gift this game brings all the excitement of regular UNO in a super-compact form. Despite its tiny size it actually works allowing you to play the game just like the original! Recommended for ages 6 and up.