UNO
12 Achievements
200
6-8h
Xbox 360
UNO Shark
Win ten 4-player games of UNO®, in any mode, on Xbox Live.
30
How to unlock the UNO Shark achievement in UNO - Definitive Guide
Sgt, Duty
Make a UNO Partner match in Player Match, there for you have a 50% chance of winning, because if your partner wins you do to. Note that this refers to 4 human players in the game from start to finish. If a game has a computer player for even one second, the game does not count toward this achievement.