Full list of all 20 Yahtzee achievements worth 200 gamerscore. It takes around 25-30 hours to unlock all of the achievements on Windows Phone.
Won 100 rainbow games
Won 50 Battle games
Won 100 duplicate games
Won 100 classic games
Scored 5 in a game
Scored 300 in classic
Got both the top and bottom bonus in the same classic game
Won 10 duplicate games
Won 10 rainbow games
Scored 400 points in Rainbow
Won 10 Battle games
Won 10 classic games
Won with 100 pts in Battle
Finished the adventure
Finished chapter 3
Scored 10 Yahtzees
Finished chapter 2
Won a classic game while your opponent scored a Yahtzee
Finished chapter 1
Finished chapter Intro