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Grand Theft Auto IV

Passwords

Cell Phone Passwords

At any time during the game, pull out Niko's phone and dial these numbers for the desired effect.

Please note that cheats will affect missions and achievements.

EffectPassword
468-555-0100Change weather
486-555-0150Get a different selection of weapons
486-555-0100Get a selection of weapons
267-555-0150Raise wanted level
267-555-0100Remove wanted level
362-555-0100Restore armour
482-555-0100Restore health, armor, and ammo
948-555-0100Song information
227-555-0142Spawn a Cognoscenti
227-555-0175Spawn a Comet
938-555-0100Spawn a Jetmax
625-555-0150Spawn a Sanchez
227-555-0168Spawn a SuperGT
227-555-0147Spawn a Turismo
359-555-0100Spawn an Annihiliator
227-555-0100Spawn an FIB Buffalo
625-555-0100Spawn an NRG-900

Contributed By: tnman and Dogmatican.

Map Locations

Enter the following password into the in-game computers.

EffectPassword
www.whattheydonotwantyoutoknow.comWeapon, health, armor, vehicle, pigeon, ramp/stunt, and entertainment locations

Contributed By: I N F E R N O.

Unlockables

Friendship Bonuses

By gaining friendship with the following people can benefit you in many ways.

UnlockableHow to Unlock
Get 80% Relationship Status with Alex50% off for all Clothing Stores
Gain 75% friendship with PackieBoom? (Call Packie for him to make you a car bomb)
Gain 70% Friendship with BrucieChopper Ride (He will pick you up in his helicopter)
Gain 60% friendship with Little JacobDiscount Guns (Buy weapons at a cheaper price from Lil Jacob)
Gain 60% friendship with DwayneExtra Help (A car of gang members will be sent to help you out)
Gain 60% friendship with RomanFree Ride (Call for a taxi)
Get 80% Relationship Status with CarmenHealth Boost (Call Carmen and select "Health Boost")
Get 80% Relationship Status with KikiRemove Up to 3 Wanted Stars (Call Kiki and select "Remove Wanted")

Contributed By: jamin218 and BreadSkin.

Trophies

Complete each condition to get the allotted Trophies. There are 42 Bronze Trophies, 5 Silver Trophies, 3 Gold Trophies, and 1 Platinum Trophy.

UnlockableHow to Unlock
You completed all 9 assassin missionsAssassin’s Greed (bronze)
You won in all variations of multiplayer gamesAuf Wiedersehen Petrovic (bronze)
You exploded 10 vehicles in 10 secondsChain Reaction (bronze)
You caught 20 criminals through the police computerCleaned The Mean Streets (bronze)
You completed all 10 package delivery jobsCourier Service (bronze)
You were successfully promoted up a rank in multiplayerCut Your Teeth (bronze)
You completed all the unique stunt jumpsDare Devil (silver)
You unlocked the special ability of Packie’s car bomb placement.Dial B For Bomb (bronze)
You unlocked the special ability of Roman’s taxiDriving Mr. Bellic (bronze)
You collected every hidden package in the gameEndangered Species (silver)
You completed the mission “Uncle Vlad”Fed The Fish (bronze)
You completed 10 melee counters in 4 minutesFinish Him (bronze)
You completed “Deal Breaker”, “Hangman’s NOOSE” and “Bomb da Base II” in timeFly The Co-op (bronze)
You unlocked all the islandsFull Exploration (bronze)
You came first in 20 singleplayer street racesGenetically Superior (bronze)
You got a turkey in 10-pin bowlingGobble Gobble (bronze)
You completed the mission “I’ll Take Her”Gracefully Taken (bronze)
You have amassed a fortune of $500,000Half Million (bronze)
You completed the mission “Museum Piece”Impossible Trinity (bronze)
You made a taxi trip from one island to another without skippingIt’ll Cost Ya (bronze)
You won a multiplayer race without damaging your vehicle too muchJoin The Midnight Club (bronze)
You completed GTA IV to 100%Key To The City (gold)
You beat the high score in QUB3DKing of QUB3D (bronze)
You killed a Rockstar in multiplayerLet Sleeping Rockstars Lie (bronze)
Your friends all like you above 90%Liberty City (5) (silver)
You finished the story in less than 30 hoursLiberty City Minute (gold)
You completed the mission “Roman’s Sorrow”.Lowest Point (bronze)
You completed the most wanted side missionManhunt (bronze)
You’ve met all the random charactersNo More Strangers (bronze)
You have completed the first missionOff The Boat (bronze)
You scored 180 with 3 dartsOne Hundred And Eighty (bronze)
You survived a 6 star wanted level for a full 5 minutesOne Man Army (silver)
You completed all 10 Exotic Export ordersOrder Fulfilled (bronze)
You beat a friend at poolPool Shark (bronze)
You unlocked the special ability of buying guns from Little Jacob.Retail Therapy (bronze)
You managed 5 car rolls in a row from one crash.Rolled Over (bronze)
You have taken all variations of the helicopter tours of Liberty CitySightseer (bronze)
Sorry for taking liberties with your time! (acquire all other trophies)Taking A Liberty (platinum
You were on the winning team in all multiplayer team gamesTaking It For The Team (bronze)
You killed 5 opposing team membersTeamplayer (bronze)
You completed the mission “That Special Someone”That Special Someone (bronze)
You unlocked the special ability of Brucie’s helicopter ride.That’s How We Roll! (bronze)
You successfully killed 20 players with a pistol in a deathmatchTop Of The Food Chain (bronze)
You won 20 different multiplayer standard racesTop The Midnight Club (bronze)
You flew under all the main bridges in the gameUnder The Radar (bronze)
You successfully lost a 4 star wanted ratingWalk Free (bronze)
You achieved the highest personal rank possible in multiplayerWanted (gold)
You were invited into your girlfriend’s houseWarm Coffee (bronze)
You completed a 500 foot wheelie on a motorbikeWheelie Rider (bronze)
You delivered all 30 cars ordered through text messageYou Got The Message (bronze)
You have completed the storyYou Won! (silver)

Contributed By: A_Tsao.

Unlockables

UnlockableHow to Unlock
Kill all 200 Flying RatsAnnihilator Helicopter
Complete 10 Package Delivery missionsRastah Color Huntley SUV
Get 100% completionRemove Ammo Limit

Contributed By: lilobaggins, cchk15, and RedStep.

Easter Eggs

The Heart of Liberty City

First, you'll have to have access to Happiness Island. Once you're able to go there legally, find the Helicopter Tours (which is directly east of Happiness Island) and steal a helicopter. Fly to Happiness Island and over the Statue of Liberty, then jump out of the helicopter at the statue's feet. You should land on the topmost tier of the statue, which is basically a square platform with a door in the center of each side. Run around the platform until you see a door with a plaque on either side of it that reads, "No Hidden Content Here." It may seem like you cannot go through the door, but you can-- it doesn't open, you simply walk THROUGH the door. Inside, you'll find an empty room with a tall ladder. Climb it, and when you reach the top, look up; there is a gigantic beating heart, held in place by chains.

Contributed By: LEFBMIA.

Secrets

Easy money

Go to an ATM, then cause a traffic jam to the area. Wait for someone to take money from the ATM, then kill him or her. Make sure to block any nearby roads so the ambulance cannot get to the murdered victim. Take the money they dropped on the ground. Then, run a short distance away, and go back. The money should have respawned on the ground. You can repeat this as many times as desired. You can also kill more people taking their money from the ATM to increase the amount of money that respawns.

Contributed By: nwabu2.

Get a Statue of Liberty T-shirt

Go to the statue of liberty and walk up to the second level. Walk through the door (it doesn't swing open, just go through it) and the game will load for a second and you will walk out with a new t-shirt with the statue of liberty on it.

Contributed By: vudumonkey25.

Repairing the engine

If the vehicle you are driving breaks down and the engine will not start, call any number from your phone book, and your engine should start again.

Contributed By: R351D3NT3V1L4.