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