TIL there is a challenge rule in UNO. The rule states that you can only play a +4 wild card if you don't have a card to play in the discard pile
How to Play UNO With Regular Playing Cards : 4 Steps - Instructables
2/3 - Fraction UNO | Help Your Kids Maths
You Can Challenge the Draw 4 Card in 'Uno' | The Mary Sue
7 Rules You May Have Missed In UNO The Card Game - How To Play Correctly - YouTube
You Can Challenge the Draw 4 Card in 'Uno' | The Mary Sue
How challenging works in uno - YouTube
The Crazy UNO Rule We Bet You Never Knew About | Reader's Digest
Arguing with UNO on how the play UNO (I actually disagree with UNO tho lol) : r/dontyouknowwhoiam
How to Play Spicy Uno - Crazy Little Projects
Challenging UNO Gives Opponent An Action Card Or Draw 4 Everytime! (UNO! is rigged for losses) - YouTube
RULES IN UNO ABOUT THE DRAW 4 CARD! BET YOU DIDN'T KNOW ABOUT IT!
How to Play UNO Dare! Card Game (Rules and Instructions) - Geeky Hobbies
Uno Challenge Rule | Wealth of Geeks
Uno Challenge Rule | Wealth of Geeks
Drunk Uno Rules (Best Rules)
Uno House Rules: Our Crazy Way To Play - Chaotically Yours
Uno: Rules and a Brief History of the Quick-Thinking Classic | LoveToKnow
How To Play Uno Flip - Rules, PDF, Video & Scoring Points Instruction
UNO on Twitter: "If someone puts down a +4 card, you must draw 4 and your turn is skipped. You can't put down a +2 to make the next person Draw 6.
UNO fans gobsmacked by little-known rule which means we've all been cheating for years - Birmingham Live
UNO clarifies their controversial +2 rule, tweeple refuse to play along | Trending - Hindustan Times
Frozen Uno game Action Card rules | Action cards, Card drawing, Cards
UNO (Game): The Rules & How To Play - According to Mattel - Gamesver
Your School Games - Fitness Uno or Catching Skills Uno
Spicy Uno Game | Rules, Instructions & Strategy - Bar Games 101
