Here is the full list of all 17 Grow Defense achievements.
Complete 10 researches
Reach Mastery Level 3
Defeat 5 Unique Mega Bosses
Finger Bang the screen over 100000 times
Find your first legendary item!
Max out Rockets for the Rocket Launcher.
Max an Items Level
Complete round 200
Reach Experience Level 40
Destroy your first Mega Boss
Have 1 million gold in your pouch
Stock up over 50 gems
Complete your first research
Unlock the mage tower.
Fingerbang the screen over 100 times
Defeat The First Boss.
Max 5 Legendary Items