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