Unlock PlayStation 3 trophy rewards, by completing the following tasks.

Trophy	How to unlock
An Apple a Day... (Bronze)	Complete Retro 8 without picking up a Health Crate.
Can't Be Rocked (Bronze)	Complete Retro 5 without taking damage.
Child's Play (Silver)	Complete Retro 14 without the Toy Master taking damage.
Crate Fishing (Bronze)	Collect all the crates on Retro 15.
Last Worm Scout (Bronze)	Complete Retro 1 without the Mayor taking damage.
Leave No Worm Behind (Bronze)	Complete Retro 12 with all 3 player worms alive.
Modernist (Bronze)	Complete Retro 1-5.
Retrograde! (Bronze)	Complete Retro 16-20.
So Last Year (Bronze)	Complete Retro 6-10.
Stuck in the 90s (Bronze)	Complete Retro 11-15.
We Don't Need Roads (Bronze)	Complete Retro 13 without using the Bridge Kit.
Worminator (Bronze)	Complete Retro 9 and kill all the enemy worms.