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