Here is the full list of all 17 Dragon Mania Legends (Windows) achievements worth 200 gamerscore.
Beat the boss at ELIZA'S FACTORY.
Give gifts to friends 15 times
Hire a Friend's dragon 10 times to win battles
Finish the tutorial
Train your dragon flawlessly 25 times
Buy 25 dragons
Collect 150,000 Food from your farms
Collect 3 Chronosian Seal Shards from Ruins
Win 750 fights
Send dragon to explore the ruins 20 times
Score 5,000 Perfect Hits
Feed a dragon to level 15
Upgrade the Academy to level 2
Win 50 fight with a 3-star rating
Clear 50 obstacles
Collect 50,000 Gold from habitats
Build 7 buildings or habitats