Complete the following tasks to unlock PlayStation 3 trophy rewards.

Trophy	How to unlock
A Dog, a Whale and a Clock Walks Into a Hole… (Silver)	Allow Bob to be woken by a dog, an alarm clock, a whale train and a manhole.
Back to Bed (Bronze)	Get Bob safely to the end of the last level.
Checkmate (Silver)	Scare five chess pieces.
Deeper Into the Dream (Bronze)	Help Bob through the first dream world.
Déjà vu (Bronze)	Complete the first dream world in nightmare mode.
Groundhog Night (Bronze)	Make Bob walk over the edge 10 times in a single level.
Grown Attached (Bronze)	Spend 10 minutes in one level.
If at First You Don't Succeed (Bronze)	Retry a single level 5 times.
Just Five More Minutes (Silver)	Send 10 wheel clocks over the edge.
No Time to Explain! (Bronze)	Skip five cut scenes.
Now You are Thinking With… (Bronze)	Walk through portals 30 times.
Open Sesame (Bronze)	Open a door in nightmare mode.
So Much Easier the First Time (Bronze)	Complete the game in nightmare mode.
Speed Runner (Silver)	Complete levels 1 - 30 in under 45 minutes.
The Button is Stuck! (Bronze)	Use the fast forward function for a combined 5 minutes.
Understanding the Basics (Bronze)	Complete the first 3 levels to learn the basics of the game.