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