Grand Theft Auto IV Cheats

Endangered Species (50): Collect every hidden package in the game.
Fed The Fish (5): Complete the mission "Uncle Vlad".
Finish Him (15): Complete 10 melee counters in 4 minutes.
Fly The Co-op (15): Beat our time in ranked versions of "Deal Breaker", "Hangman's NOOSE" and "Bomb da Base II".
Full Exploration (20): Unlock all the islands.
Genetically Superior (25): Come first in 20 singleplayer street races.
Gobble Gobble (10): Score 3 strikes in a row, a turkey, in 10-pin bowling.
Gracefully Taken (10): Complete mission "I'll Take Her".
Half Million (55): Reach a balance of $500,000.
Impossible Trinity (10): Complete mission "Museum Piece".
It'll Cost Ya (5): Complete a taxi ride without skipping from one island to another.
Join The Midnight Club (10): Win a ranked multiplayer race without damaging your vehicle too much and with damage enabled.
Key To The City (100): Achieve 100% in "Game progress" statistic.
King of QUB3D (15): Beat the High Score in QUB3D.
Let Sleeping Rockstars Lie (10): Kill a Rockstar developer in a ranked multiplayer match.
Liberty City (5): (20): After meeting all possible friends, the ones left alive all like you above 90%.
Liberty City Minute (30): Complete the story missions in less than 30 hours.
Lowest Point (5): Complete mission "Roman's Sorrow".
Manhunt (15): Complete the most wanted side missions from the police computer.
No More Strangers (5): Meet all random characters.
Off The Boat (5): Complete the first mission.
One Hundred And Eighty (10): In a darts game score 180 with 3 darts.
One Man Army (40): Survive 5 minutes on 6 star wanted level.
Order Fulfilled (10): Complete all 10 Exotic Export orders.
Pool Shark (10): Beat a friend at pool.
Retail Therapy (10): Unlock the special ability of buying guns from a friend.
Rolled Over (30): Do 5 car rolls in a row from one crash.
Sightseer (5): Fly on all helicopter tours of Liberty City.
Taking It For The Team (10): Be on the winning team in all ranked multiplayer team games.
Teamplayer (10): Kill 5 players who are not in your team, in any ranked multiplayer team game.
That Special Someone (10): Complete mission "That Special Someone".
That's How We Roll! (10): Unlock the special ability of helicopter.
Top Of The Food Chain (10): Kill 20 players with a pistol in a ranked multiplayer deathmatch.
Top The Midnight Club (20): Come first in 20 different ranked standard multiplayer races.
Under The Radar (40): Fly underneath the main bridges in the game that cross water with a helicopter.
Walk Free (50): Lose a 4 star wanted rating by outrunning the cops.
Wanted (20): Achieve the highest personal rank in multiplayer.
Warm Coffee (5): Successfully date a girl to be invited into her house.
Wheelie Rider (30): Do a wheelie lasting at least 500 feet on a motorbike.
You Got The Message (20): Deliver all 30 cars ordered through text message.
You Won! (60): Complete the final mission.