Here is the full list of all 11 Buzz! Junior: RoboJam trophies - there are 5 bronze, 5 silver and 1 gold.
Score a minimum of 6600 points in a single player game of Mad Mallets.
Don't get hit once in a single player game of Pillow Fight.
Score a minimum of 2500 points in single player mode in Pillow Fight.
Score a minimum of 6500 points in single player mode in Odd Bot Out.
Win a standard single player game with the AI bots set to hard.
Win all races in Nitro Racing in single player mode.
Finish a race in single player without blowing up in Nitro Racing.
Avoid getting crushed in all the rounds of Piston Peril in single player mode.
Score a minimum of 1800 points in single player mode in Piston Peril.
Score a minimum of 3500 points in single player mode in Odd Bot Out.
Score a minimum of 4200 points in single player mode in Mad Mallets.