Successfully complete all 25 levels in Story mode to unlock Dark Matter mode.Steam achievements
Successfully complete the indicated task to unlock the corresponding achievement. To view your achievements and stats in Steam, select "Community", "My profile", "View all my games", then the game and view stats.
- 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.