Successfully play 40 Wild or Wild Draw Four cards.
Successfully bluff on a Wild Draw Four twice in the same game.
Change the color of the discard pile 5 or more times in a single round.
Successfully call UNO! and win the game.
Play 40 Draw Two cards.
Win 40 games of UNO®.
Win ten 4-player games of UNO®, in any mode, on Xbox Live.
Complete a 4-player game of UNO®, in any mode, on Xbox Live.
Go out with a Wild or Wild Draw Four card.
Go out without ever drawing a card.
Play 40 Skip cards.
Play 40 Reverse cards.
