Tighten Up! (UNO House Rules Part 2)
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
Here's how I play Uno in the pandemic - Polygon
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.
Arguing with UNO on how the play UNO (I actually disagree with UNO tho lol) : r/dontyouknowwhoiam
How To Play Uno Flip - Rules, PDF, Video & Scoring Points Instruction
You Can Challenge the Draw 4 Card in 'Uno' | The Mary Sue
UNO FAQ - All Uno questions and answers you'll ever need!
UNO (Game): The Rules & How To Play - According to Mattel - Gamesver
How to Play UNO With Regular Playing Cards : 4 Steps - Instructables
Challenging UNO Gives Opponent An Action Card Or Draw 4 Everytime! (UNO! is rigged for losses) - YouTube
Uno Challenge Rule | Wealth of Geeks
Spicy Uno Game | Rules, Instructions & Strategy - Bar Games 101
Uno Challenge Rule | Wealth of Geeks
Uno House Rules: Our Crazy Way To Play - Chaotically Yours
Steam Community :: Guide :: How to play +4Card & +4Challenge
How to Play UNO Dare! Card Game (Rules and Instructions) - Geeky Hobbies
Drunk Uno Rules (Best Rules)
How to CHALLENGE a Draw Four in UNO | Today's Question - YouTube
You Can Challenge the Draw 4 Card in 'Uno' | The Mary Sue
RULES IN UNO ABOUT THE DRAW 4 CARD! BET YOU DIDN'T KNOW ABOUT IT!
UNO fans gobsmacked by little-known rule which means we've all been cheating for years - Birmingham Live
