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