ACHIEVEMENT - HOW TO UNLOCK Aggressor - Attack an enemy asteroid and destroy 200 seedlings in the process. Attrition - Battle for an enemy asteroid for ten minutes. Banzai - Destroy ten enemy seedlings using a mine explosion. Beseiged - Defend one of your own asteroids continuously for five minutes. Gardener - Gather ten flowers on an asteroid. Hero - Find over 700 of the lost seedlings in the game. Illuminator - Complete dark matter mode. Lightsecond - Complete the campaign in under ten hours. Lightyear - Complete "the centre cannot hold" within 60 minutes. Martyrdom - Attack an enemy asteroid and lose 300 seedlings in the process. Megalopolis - Gather 4000 seedlings on an asteroid. Megatraveller - Send a flower or a mine over 50000 arbitrary distance units. Minefield - Gather five mines on an asteroid. Pacifism - Complete "Protection" without destroying anyone else's trees. Safety - Complete "200" without any of your own trees being destroyed. Stalemate - A pitched battle that lasts over 15 minutes and incurs 500 losses between all sides. Starboretum - Complete the main game. Traveller - Discover an asteroid using a flower or a mine.