GTA IV codes/cheats/hack

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


Grand Theft Auto IV Unlockables
Unlockables
Unlockable How to Unlock
Annihilator Helicopter Kill all 200 Flying Rats
Rastah Color Huntley SUV Complete 10 Package Delivery missions
Remove Ammo Limit Get 100% completion
Friendship Bonuses

By gaining friendship with the following people can benefit you in many ways.
Unlockable How to Unlock
Chopper Ride (He will pick you up in his helicopter) Gain 70% Friendship with Brucie
Extra Help (A car of gang members will be sent to help you out) Gain 60% friendship with Dwayne
Boom? (Call Packie for him to make you a car bomb) Gain 75% friendship with Packie
Discount Guns (Buy weapons at a cheaper price from Lil Jacob) Gain 60% friendship with Little Jacob
Free Ride (Call for a taxi) Gain 60% friendship with Roman
Remove Up to 3 Wanted Stars (Call Kiki and select "Remove Wanted") Get 80% Relationship Status with Kiki
Health Boost (Call Carmen and select "Health Boost") Get 80% Relationship Status with Carmen
50% off for all Clothing Stores Get 80% Relationship Status with Alex