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