Here is the full list of all 29 Grand Theft Auto III trophies - there are 11 bronze, 12 silver, 5 gold and 1 platinum.
Unlock all trophies.
Get busted 20 times.
Blow up 2,000 cars.
Earn a criminal rating of 5,000 or higher.
Achieve 100% completion.
Complete "The Exchange".
Destroy five helicopters.
Complete the Portland Docks and Shoreside Vale import/export car lists.
Complete "Patriot Playground", "A Ride in the Park", "Multi-Story Mayhem", and "Gripped!" missions.
Collect 100 hidden packages.
Complete every RC Toyz mission.
Complete 20 unique jumps.
Pass all 20 Rampages.
Complete "A Drop in the Ocean".
Deliver all emergency vehicles to the crane at the Portland Docks.
Complete the "Kingdom Come" mission.
Waste 1,000 people.
Earn a criminal rating of 2,500.
Complete "Last Requests".
Amass a fortune of $1,000,000.
Kill 20 criminals during one Vigilante mission.
Waste 100 gang members.
Complete the "Turismo" race in under 180 seconds.
Crush a car at the junkyard.
Complete 100 taxi fares.
Extinguish 20 fires during a single Fire Truck mission.
Complete Paramedic level 12.
Perform a perfect insane stunt.
Complete "Luigi's Girls".