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 classic games
Finished the adventure
Finished chapter 3
Finished chapter 2
Finished chapter 1
Got both the top and bottom bonus in the same classic game
Scored 300 in classic
Won a classic game while your opponent scored a Yahtzee
Won 100 rainbow games
Won 10 classic games
Won 10 rainbow games
Scored 400 points in Rainbow
Won 100 duplicate games
Scored 5 in a game
Won 10 duplicate games
Won 50 Battle games
Scored 10 Yahtzees
Won 10 Battle games
Won with 100 pts in Battle
Finished chapter Intro