Complete the following tasks to unlock Vita trophy rewards.

Trophy	How to unlock
Aggressor (Bronze)	Attack an enemy asteroid and destroy 200 seedlings in the process.
Attrition (Bronze)	Battle for an enemy asteroid for ten minutes.
Banzai (Bronze)	Destroy ten enemy seedlings using a mine explosion.
Besieged (Bronze)	Defend one of your own asteroids continuously for five minutes.
Gardener (Bronze)	Gather ten flowers on an asteroid.
Hero (Bronze)	Find over 600 of the lost seedlings in the game.
Historian (Bronze)	Record all of the Ancient Artifacts.
Illuminator (Silver)	Complete Dark Matter Mode.
Intruder (Bronze)	Land a beacon seed on an enemy asteroid.
Lightsecond (Bronze)	Complete the campaign in under ten hours.
Lightyear (Bronze)	Complete The Centre Cannot Hold' within 60 minutes.
Martyrdom (Bronze)	Attack an enemy asteroid and lose 300 seedlings in the process.
Minefield (Bronze)	Gather five mines on an asteroid.
Pacifism (Bronze)	Complete 'Protection' without destroying anyone else's trees.
Panspermia (Bronze)	Send a flower or a mine over 50000 arbitrary distance units.
Safety (Bronze)	Complete '200' without any of your own trees being destroyed.
Stalemate (Bronze)	A pitched battle that lasts over 15 minutes and incurs 500 losses between all sides.
Starboretum (Bronze)	Complete the main game.
Traveller (Bronze)	Discover an asteroid using a flower or a mine.
Uplift (Bronze)	Terraform an asteroid to maximum attributes.