Successfully complete one of the following tasks to get a trophy:

Ring (Bronze): Complete 'Ring' Level. 
Goblet (Bronze): Complete 'Goblet' Level. 
Rod (Bronze): Complete 'Rod' Level. 
Sword (Bronze): Complete 'Sword' Level. 
Shield (Bronze): Complete 'Shield' Level. 
Crown (Bronze): Complete 'Crown' Level. 
Bronze Master (Bronze): Collect 20 bronze medals in Expert or 30 in Beginner 
mode. 
Silver Master (Bronze): Collect 15 silver medals in Expert or 20 in Beginner 
mode. 
Gold Master (Bronze): Collect 10 gold medals in Expert or 15 in Beginner mode. 
Speed Master (Bronze): Complete 20 levels with lightning speed. 
Equilibrist (Silver): Complete 15 levels in a row without falling. 
Beginner Master (Silver): Complete All Beginner levels. 
Expert Master (Silver): Complete All Expert levels.