ACHIEVEMENT - HOW TO UNLOCK
Off the Boat (5 points) - Complete the first mission.
One Hundred and Eighty (10 points) - In a darts game score 180 with 3 darts.
Pool Shark (10 points) - Beat a friend at pool.
King of QUB3D (15 points) - Beat the High Score in QUB3D
Finish Him (15 points) - Complete 10 melee counters in 4 minutes
Genetically Superior (25 points) - Place 1st in 20 single-player street races.
Wheelie Rider (30 points) - Do a wheelie lasting at least 500 feet on a motorbike.
Gobble Gobble (10 points) - Score 3 strikes in a row, a turkey, in 10-pin bowling.
Driving Mr. Bellic (10 points) - Unlock the special ability of taxi.
Rolled Over (30 points) - Do 5 car rolls in a row from one crash.
Walk Free (50 points) - Lose a 4 star wanted rating by outrunning the cops.
Courier Service (10 points) - Complete all 10 package delivery jobs.
Retail Therapy (10 points) - Unlock the special ability of buying guns from a friend.
Chain Reaction (20 points) - You must blow up 10 vehicles in 10 seconds.
One Man Army (40 points) - Survive 5 minutes on 6 star wanted level.
Lowest Point (5 points) - Complete mission "Roman's Sorrow".
Over Fulfilled (10 points) - Complete all 10 Exotic Export orders.
Manhunt (15 points) - Complete the most wanted side missions from the police computer.
Cleaned The Mean Streets (20 points) - Capture 20 criminals through the police computer.
Fed The Fish (5 points) - Complete the mission "Uncle Vlad".
It'll Cost Ya (5 points) - Complete a taxi ride without skipping from one island to another.
Sightseer (5 points) - Fly on all helicopter tours of Liberty City.
Warm Coffee (5 points) - Successfully date a girl to be invited into her house.
That's How We Roll! (10 points) - Unlock the special ability of helicopter.
Half Million (55 points) - Reach a balance of $500,000.
Impossible Trinity (10 points) - Complete mission "Museum Piece".
Full Exploration (20 points) - Unlock all the islands.
You Got The Message (20 points) - Deliver all 30 cars ordered through text message.
Dare Devil (30 points) - Complete 100% of the unique stunt jumps.
Assassin's Greed (20 points) - Complete all 9 assassin missions.
Endangered Species (50 points) - Collect every hidden package in the game.
Under the Radar (40 points) - Fly underneath the main bridges in the game that cross water with a helicopter.
Dial B For Bomb (10 points) - Unlock the special ability of phoning for a bomb to be placed.
Gracefully Taken (10 points) - Complete mission "I'll Take Her".
Liberty City (5) (20 points) - After meeting all possible friends, the ones left alive all like you above 90%.
No More Strangers (5 points) - Meet all random characters.
That Special Someone (10 points) - Complete mission "That Special Someone".
You Won! (60 points) - Complete the final mission.
Liberty City Minute (30 points) - Complete the story missions in less than 30 hours.
Key To The City (100 points) - Achieve 100% in "Game progress" statistic.
Teamplayer (10 points) - Kill 5 players who are not in your team, in any ranked multiplayer team game.
Cut Your Teeth (5 points) - Earn a personal rank promotion in multiplayer
Join The Midnight Club (10 points) - Win a ranked multiplayer race without damaging your vehicle too much and with damaged enabled.
Fly The Co-op (15 points) - Beat the following times in ranked versions of "Deal Breaker" (7:04), "Hangman's Noose" (2:32) and "Bomb da Base II" (5:56).
Take It For The Team (10 points) - Be on the winning team in all ranked multiplayer team games.
Top Of The Food Chain (10 points) - Kill 20 players with a pistol in a ranked multiplayer deathmatch.
Top The Midnight Club (20 points) - Come first in 20 different ranked standard multiplayer races.
Wanted (20 points) - Achieve the highest personal rank in multiplayer.
Auf Wiedersehen Petrovic (30 points) - Win all ranked multiplayer variations, all races and "Cops 'n Crooks", as both sides.
Let Sleeping Rockstars Lie (10 points) - Kill a Rockstar developer in a ranked multiplayer match.

"The Lost And Damned" achievements
ACHIEVEMENT - HOW TO UNLOCK
Easy Rider (100 points) - Finish the story.
Full Chat (70 points) - Build Terry and Clay's toughness to 100%.
Get Good Wood (50 points) - In the bike races, whack off 69 bikers with a bat.
One Percenter (5 points) - Help Billy get his bike back.
The Lost Boy (25 points) - Become leader of The Lost.

"The Ballad Of Gay Tony" achievements
ACHIEVEMENT - HOW TO UNLOCK
Gone Down (5 points) - Complete all base jumps.
Diamonds Forever (5 points) - Complete the Trinity.
Four Play (10 points) - Hit a flag with a golf ball four times.
Bear Fight (15 points) - Win the L.C. Cage Fighters championship.
Catch the Bus (15 points) - Dance perfectly in both Tony's nightclubs.
Snow Queen (20 points) - Complete 25 drug wars.
Adrenaline Junkie (25 points) - Freefall for the longest possible time.
Maestro (30 points) - Finish the Ballad.
Past the Velvet Rope (45 points) - Score 80% or above in all missions.
Gold Star (80 points) - Score 100% in all missions.