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