Complete the following tasks to unlock PlayStation 3 trophy rewards.

Trophy	How to unlock
Bronze Cubes (Bronze)	Collect all cubes on any two bonus levels.
Bronze Stars (Bronze)	Collect all stars on any single level of the great tree.
Fuel Tank (Bronze)	Have no less than 1000 fuel points at the end of any level.
Gold Cubes (Gold)	Collect all cubes on all bonus levels.
Gold Stars (Gold)	Collect all stars on all levels of the great tree.
Silver Cubes (Silver)	Collect all cubes on any five bonus levels.
Silver Stars (Silver)	Collect all stars on any three levels of the great tree.