Complete the following tasks to unlock PlayStation 3 trophy rewards.

Trophy	How to unlock
Against wind and tide (Silver)	Complete ecosystem challenges 1, 2 and 3.
Collector (Silver)	Obtain 20 different tokens.
Coloniser (Silver)	Colonise 3 ecosystems in free mode.
Competitive spirit (Gold)	Finish among the top 100 in an online challenge.
Engineer (Bronze)	Add 10 artefacts.
Farmer (Bronze)	Add 10 creatures.
Gardener (Bronze)	Add 10 plants or fungi.
Leader of the pack (Bronze)	Achieve 5 alpha creatures in a single ecosystem.
Shopkeeper (Bronze)	Exchange 20 creatures or artefacts in the auction.
Step by step (Bronze)	Complete all the tutorials.
Tough guy (Silver)	Create a level-10 alpha creature.
Variety is the spice of life (Bronze)	Achieve a biodiversity of level 8.