UNO drawing deck:
To hide the UNO drawing deck, push Back.
How to get very high rank on the player leaderboard:
Go to an online player match.
Pick "Create Game", then choose "House Rules".
Set the game settings to an "Elimination match" and no points.
Only play against the CPU.
You can get more than 10000 ranks, with 20 extra wins.
Complete the following tasks to get gamerscore points:
Bluff on a Wild Draw Four twice in the same game - Bluff (10 pts.)
Finish a 4 - Multiplayer (10 pts.)
Go out with a Wild or Wild Draw Four card - Wild Abandon (20 pts.)
Go out without drawing a card - Ace! (20 pts.)
Play 40 Draw Two cards - High Noon (15 pts.)
Play 40 Reverse cards - Twister (15 pts.)
Play 40 Skip cards - Skip to My Lou (15 pts.)
Get UNO! and win the game - UNO! (10 pts.)
Play 40 Wild or Wild Draw Four cards - Wild Thing (15 pts.)
Win 40 games of UNO - Devotee (25 pts.)
Win ten 4 - UNO Shark (30 pts.)
Change the color of the discard pile at least five times in a single round -
Quick Change Artist (15 pts.)