No missable achievements (plus 18 unknown)
Sign in with Steam or Xbox to track your progress, and:
Send a flower or a mine over 50000 arbitrary distance units.
Destroy ten enemy seedlings using a mine explosion.
Discover an asteroid using a flower or a mine.
Attack an enemy asteroid and lose 300 seedlings in the process.
Attack an enemy asteroid and destroy 200 seedlings in the process.
Gather five mines on an asteroid.
Defend one of your own asteroids continuously for five minutes.
Complete the main game.
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.
Complete the campaign in under ten hours.
Complete "Protection" without destroying anyone else's trees.
Gather ten flowers on an asteroid.
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.