GTA IV achievements

Score 80% or above in all missions. (The Ballad of Gay Tony)

Sorry for taking liberties with your time.

Score 100% in all missions. (The Ballad of Gay Tony)

You completed "Deal Breaker", "Hangman's NOOSE" and "Bomb da Base II" in time.

You won in all variations of multiplayer games.

You were on the winning team in all multiplayer team games.

You won 20 different multiplayer standard races.

In the bike races, whack off 69 bikers with a bat. (The Lost and Damned)

You completed GTA IV to 100%.

You collected every hidden package in the game.

You completed all the unique stunt jumps.

You came first in 20 singleplayer street races.

You achieved the highest personal rank possible in multiplayer.

You've met all the random characters.

Your friends all like you above 90%.

You have taken all variations of the helicopter tours of Liberty City.

You delivered all 30 cars ordered through text message.

Dance perfectly in both Tony's nightclubs. (The Ballad of Gay Tony)

You completed 10 melee counters in 4 minutes.

You successfully killed 20 players with a pistol in a deathmatch.

You won a multiplayer race without damaging your vehicle too much.

Win the L.C. Cage Fighters championship. (The Ballad of Gay Tony)

You got a turkey in 10-pin bowling.

You completed the most wanted side mission.

Complete all base jumps. (The Ballad of Gay Tony)

You caught 20 criminals through the police computer.

You beat the high score in QUB3D.

You unlocked the special ability of Packie's car bomb placement.

You flew under all the main bridges in the game.

You exploded 10 vehicles in 10 seconds.

You unlocked the special ability of Brucie's helicopter ride.

You completed all 10 package delivery jobs.

Build Terry and Clay's toughness to 100%. (The Lost and Damned)

Complete 25 drug wars. (The Ballad of Gay Tony)

Hit a flag with a golf ball four times. (The Ballad of Gay Tony)

Freefall for the longest possible time. (The Ballad of Gay Tony)

You killed 5 opposing team members.

You managed 5 car rolls in a row from one crash.

You finished the story in less than 30 hours.

You completed all 10 Exotic Export orders.

You unlocked the special ability of buying guns from Little Jacob.

Finish the story. (The Lost and Damned)

You scored 180 with 3 darts.

You completed all 9 assassin missions.

You survived a 6 star wanted level for a full 5 minutes.

Finish the Ballad. (The Ballad of Gay Tony)

Become leader of The Lost. (The Lost and Damned)

You have completed the story.

You have amassed a fortune of $500,000.

You beat a friend at pool.

Complete the Trinity. (The Ballad of Gay Tony)

You completed the mission "That Special Someone".

You made a taxi trip from one island to another without skipping.

You completed the mission "I'll Take Her".

You successfully lost a 4 star wanted rating.

You completed the mission "Museum Piece".

You unlocked all the islands.

You were successfully promoted up a rank in multiplayer.

You completed a 500 foot wheelie on a motorbike.

Help Billy get his bike back. (The Lost and Damned)