Full list of all 20 Hexic (Windows) achievements worth 200 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Windows.
Finished 33 levels
Made 200 Color Clear Hexes
Made 100 Line Clear Hexes
Made a cluster of Line Clear Hexes
Used +3 Moves and finished a level in the last 3 moves
Invited a friend to play Hexic
Shared something on Facebook
Finish an anomaly level without letting an anomaly out
Finished a level by using an Assist on your last move
Finished the How-To-Play Tutorial
Made a Flower Bomb
Created a Color Clear Hex from 5 hexes
Use every Booster and Assist in the game
Stay in it to win it
Bond with your good friend Hexy
Earn three stars on 42 levels
Share a 3 star score on any level higher than 80
Send a life to a friend
Send a move to a friend
Use all moves in a level without clearing any Dark Fragments