Here is the full list of all 18 Eufloria achievements.
Find over 700 of the lost seedlings in the game.
Complete Dark Matter Mode.
Gather 4000 seedlings on an asteroid.
Complete the main game.
Complete "200" without any of your own trees being destroyed.
Complete the campaign in under ten hours.
Gather ten flowers on an asteroid.
Defend one of your own asteroids continuously for five minutes.
Complete "Protection" without destroying anyone else's trees.
Destroy ten enemy seedlings using a mine explosion.
Gather five mines on an asteroid.
Discover an asteroid using a flower or a mine.
Complete "The Centre Cannot Hold" within 60 minutes.
A pitched battle that lasts over 15 minutes and incurs 500 losses between all sides.
Send a flower or a mine over 50000 arbitrary distance units.
Battle for an enemy asteroid for ten minutes.
Attack an enemy asteroid and destroy 200 seedlings in the process.
Attack an enemy asteroid and lose 300 seedlings in the process.