Here is the full list of all 20 Eufloria HD achievements.
Send a flower or a mine over 50000 arbitrary distance units.
Complete "Protection" without destroying anyone else's trees.
Complete "200" without any of your own trees being destroyed.
Complete "The Centre Cannot Hold" within 60 minutes.
A pitched battle that lasts over 15 minutes and incurs 500 losses between all sides.
Battle for an enemy asteroid for ten minutes.
Record all of the Ancient Artifacts.
Complete Dark Matter Mode.
Gather ten flowers on an asteroid.
Complete Story Mode in under ten hours.
Gather five mines on an asteroid.
Land a beacon seed on an enemy asteroid.
Complete the main game.
Attack an enemy asteroid and lose 300 seedlings in the process.
Defend one of your own asteroids continuously for five minutes.
Find over 700 of the lost seedlings in the game.
Attack an enemy asteroid and destroy 200 seedlings in the process.
Terraform an asteroid to maximum resources.
Destroy ten enemy seedlings using a mine explosion.
Discover an asteroid using a flower or a mine.