To obtain 100% completion in Grand Theft Auto III, the player must complete all of the following tasks.

Contents 1 Portland Story Missions 2 Staunton Island Story Missions 3 Shoreside Vale Story Missions 4 Pay-Phone Missions 5 Off-Road Missions 6 Remote Controlled Vehicle Missions 7 Vehicle Missions 8 Import/Export 9 Others 10 Permanently Missable Missions 11 Rewards

Portland Story Missions

The Introduction

• Give Me Liberty

Luigi Goterelli

• Luigi's Girls
• Don't Spank Ma Bitch Up
• Drive Misty For Me
• Pump Action Pimp
• The Fuzz Ball

Joey Leone

• Mike Lips Last Lunch
• Farewell 'Chunky' Lee Chong
• Van Heist
• Cipriani's Chauffeur
• Dead Skunk in the Trunk
• The Getaway

Toni Cipriani

• Taking Out the Laundry
• The Pick-Up
• Salvatore's Called a Meeting
• Triads and Tribulations
• Blow Fish

Salvatore Leone

• Chaperone
• Cutting the Grass
• Bomb Da Base: Act I
• Last Requests

8-Ball

• Bomb Da Base: Act II

Staunton Island Story Missions

Asuka Kasen

• Sayonara Salvatore
• Under Surveillance
• Paparazzi Purge
• Payday For Ray
• Two-Faced Tanner

Kenji Kasen

• Kanbu Bust Out
• Grand Theft Auto
• Deal Steal
• Shima
• Smack Down

Ray Machowski

• Silence The Sneak
• Arms Shortage
• Evidence Dash
• Gone Fishing
• Plaster Blaster
• Marked Man

Donald Love

• Liberator
• Waka-Gashira Wipeout
• A Drop In The Ocean
• Grand Theft Aero
• Escort Service
• Decoy
• Love's Disappearance

Asuka Kasen

• Bait
• Espresso-2-Go!
• S.A.M.
• Ransom

Shoreside Vale Story Missions

Catalina

• The Exchange

Pay-Phone Missions

Marty Chonks

• The Crook
• The Thieves
• The Wife
• Her Lover

El Burro

• Turismo
• I Scream, You Scream
• Trial By Fire
• Big 'N' Veiny

King Courtney

• Bling-Bling Scramble
• Uzi Rider
• Gangcar Round-Up
• Kingdom Come

D-Ice

• Uzi Money
• Toyminator
• Rigged to Blow
• Bullion Run
• Rumble

Off-Road Missions

• Patriot Playground
• Multistorey Mayhem
• A Ride in the Park
• Gripped!

Remote Controlled Vehicle Missions

• Diablo Destruction
• Mafia Massacre
• Casino Calamity
• Rumpo Rampage

Vehicle Missions

• Paramedic (Reach and complete Level 12 in one go)
• Firefighter (Extinguish 60 fires, 20 on each island)
• Vigilante (Kill 60 criminals, 20 on each island)
• Taxi Driver (Complete 100 fares)

Import/Export

• Emergency Vehicle Import/Export Crane
• Industrial Import/Export Garage List (Portland)
• Suburban Import/Export Garage List (Shoreside Vale)

Others

• Collect 100 Hidden Packages
• Complete 20 Rampages
• Complete 20 Unique Jumps

Permanently Missable Missions

• After completing Salvatore Leone's mission Last Requests, the remaining missions for Luigi Goterelli, Pump-Action Pimp and The Fuzz Ball will be permanently disabled. Therefore these missions have to be completed before Last Requests.
• After completing Salvatore Leone's mission Last Requests, the remaining missions for Joey Leone, Dead Skunk in the Trunk and The Getaway will be permanently disabled. Therefore these missions have to be completed before Last Requests.
• After completing Donald Love's mission Waka-Gashira Wipeout, the remaining missions for Kenji Kasen, Kanbu Bust-out, Grand Theft Auto, Deal Steal, Shima and Smackdown will be permanently disabled. Therefore these missions have to be completed before Waka-Gashira Wipeout.
• After completing Donald Love's mission Grand Theft Aero, the remaining mission for Asuka Kasen, Two-Faced Tanner, will be permanently disabled. Therefore this mission has to be completed before Grand Theft Aero.

Rewards

Unlike other Grand Theft Auto games, there are no rewards for completing the game 100%.