Full list of all 55 Grand Theft Auto IV achievements. It takes around 50-60 hours to unlock all of the achievements in the base game on Windows.
The base game contains 40 achievements, and there are 2 DLC packs containing 15 achievements.
After meeting all possible friends, the ones left alive all like you above 90%.
Collect every hidden package in the game.
Achieve 100% in "Game progress" statistic.
Do 5 car rolls in a row from one crash.
Complete 100% of the unique stunt jumps.
Do a wheelie lasting at least 500 feet on a motorbike.
Survive 5 minutes on 6 star wanted level.
You must blow up 10 vehicles in 10 seconds.
Fly underneath the main bridges in the game that cross water with a helicopter.
Deliver all 30 cars ordered through text message.
Fly on all helicopter tours of Liberty City.
Complete 10 melee counters in 4 minutes.
Complete all 9 assassin missions.
Meet all random characters.
Score 3 strikes in a row, a turkey, in 10-pin bowling.
Unlock the special ability of helicopter.
Complete the most wanted side missions from the police computer.
Come first in 20 singleplayer street races.
Complete all 10 Exotic Export orders.
Complete the story missions in less than 30 hours.
Reach a balance of $500,000.
Complete the final mission.
Complete mission "That Special Someone".
Unlock the special ability of phoning for a bomb to be placed.
Lose a 4 star wanted rating by outrunning the cops.
Complete mission "I'll Take Her".
Complete a taxi ride without skipping from one island to another.
Complete mission "Museum Piece".
Unlock all the islands.
Complete all 10 package delivery jobs.
In a darts game score 180 with 3 darts.
Unlock the special ability of buying guns from a friend.
Beat a friend at pool.
Complete mission "Roman's Sorrow".
Capture 20 criminals through the police computer.
Beat the High Score in QUB3D.
Successfully date a girl to be invited into her house.
Complete the mission "Uncle Vlad".
Unlock the special ability of taxi.
Complete the first mission.
Finish the story. (The Lost and Damned)
Build Terry and Clay's toughness to 100%. (The Lost and Damned)
Become leader of The Lost. (The Lost and Damned)
In the bike races, whack off 69 bikers with a bat. (The Lost and Damned)
Help Billy get his bike back. (The Lost and Damned)
Score 80% or above in all missions. (The Ballad of Gay Tony)
Score 100% in all missions. (The Ballad of Gay Tony)
Complete 25 drug wars. (The Ballad of Gay Tony)
Complete all base jumps. (The Ballad of Gay Tony)
Finish the Ballad. (The Ballad of Gay Tony)
Complete the Trinity. (The Ballad of Gay Tony)
Freefall for the longest possible time. (The Ballad of Gay Tony)
Dance perfectly in both Tony's nightclubs. (The Ballad of Gay Tony)
Hit a flag with a golf ball four times. (The Ballad of Gay Tony)
Win the L.C. Cage Fighters championship. (The Ballad of Gay Tony)