Here is the full list of all 38 Planet 51: The Game trophies - there are 23 bronze, 10 silver, 4 gold and 1 platinum.
All trophies have been unlocked.
Complete the tutorials.
Complete all the Suburbs missions.
Complete all the Town missions.
Complete all the Desert missions.
Complete all the game missions, including all tasks.
Complete level 10 in the task "Glipforg News Paperboy".
Complete level 10 in the task "Lawnmower Boy".
Complete level 10 in the task "Glipforg Deliveries".
Complete level 10 in the task "Too Many Dogs in this Town".
Complete level 10 in the task "Parking Boy".
Complete level 10 in the task "Taxi!".
Complete level 10 in the task "World´s cleanest circus".
Complete level 10 in the tasks "Car Crusher", "Battle in the Stadium" and "Desert Battle".
Complete level 10 in all race tasks.
Unlock all vehicles (excluding vehicles unlocked at the police station).
Collect all the stickers that you'll earn in the tasks.
Find all the comic frames scattered around Planet 51.
Enter every open house and building in the game.
Travel 12 miles by bicycle.
Travel 300 miles by car.
Perform a jump of 150 ft or more.
Drive a car for 3 minutes without collisions.
Jump through all the billboards in the game.
Escape 40 times from your enemies by hiding in the trash cans.
Destroy 30 pieces of property in 60 seconds.
Elude the law enforcers 3 times in a row in the same vehicle outside of a mission.
Achieve and maintain the maximum level of alert for 3 minutes outside of a mission.
Complete the mission "Neera's Garden" without cutting any flowers, touching the mole, or getting hit by water.
Get "perfect" throws for all newspapers in "The Paperboy" mission.
Complete any car crusher mission without taking any damage.
Don't lose any boxes in the "A Job of Little Importance" mission.
Complete the "Parking Valet" mission without damaging any cars.
Complete the "Cleaning the Circus" mission without making King Klong angry.
Complete the "King Klong" mission without damaging the pickup.
Pick up all the special rocks in the mission "Singing in the Rocks" before any go down the drain.
Keep first place in any racing mission for more than 1 minute... and win!
Finish any of Chuck's missions on foot without failing any obstacle nor taking any damage from traps.