Complete the following tasks to unlock PlayStation 3 trophy rewards.

Trophy	How to unlock
Airball Badge ( Silver )	Complete Lava World.
Friendball Medal ( Silver )	Complete all cooperative levels.
Honor Medal ( Silver )	Win 10 matched multiplayer races.
Marbleball Badge ( Bronze )	Complete Sky World level 3.
Metalball Badge ( Bronze )	Complete Ice World.
Powerball Badge ( Bronze )	Complete Cave World.
Speedball Medal ( Bronze )	Win 5 matched multiplayer races.
Speedroller Expert ( Silver )	Collect 24 silver medals.
Speedroller Master ( Gold )	Collect a Gold Medal on All levels.
Speedroller Rookie ( Bronze )	Collect 1 silver medal.
Speedroller Trainee ( Bronze )	Collect 12 silver medals.
Spyglass ( Bronze )	Find 3 hidden paths.