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