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