Complete the following tasks to unlock PlayStation 3 trophy rewards.
| Trophy | How to unlock
|
|---|
| Gravichallengium (Bronze) | Discover all 5 of the Challenges in the Heavy Elements content pack.
|
| Gravisium (Gold) | Complete all the Discovery Mode levels in the Heavy Elements content pack.
|
| Heavybonusium (Bronze) | Discover all 10 of the Bonus Levels in the Heavy Elements content pack.
|
