Here is the full list of all 19 Wordament Snap Attack (Windows) achievements worth 200 gamerscore.
You’ve completed 500 full games
Achieved 50,000 cumulative points
Played all seven tiles in a Single-Snap
You’ve completed 100 full games
You made a snap using a multi-letter tile
Played all seven tiles in a Multi-Snap
Created a highest scoring snap
Played the same Single-Snap in three different ways
You used the same bonus tile twice in a one snap
You created multiple independent snaps by moving one tile
You played Tap-Snap in more than one language
You created your first Multi-Snap
You played on a bonus tile
You used swap to create a new snap
You used the recall button to make more snaps
You made your first Snap
Make a snap in each of the following shapes
Achieve 2,500,000 total points
Achieved "Sore Fingers" and "Addict" and placed in the top 250 of the “Top Player” leaderboards