Ok I have alot of cheats,To get rid of Niko's wanted level, insert the following number into your cell phone: (267)-555-0100. To add stars to Niko's wanted level, insert this number instead: (267)-555-0150. Keep in mind that this will disable your ability to acquire some achievements.
Head to the internet café (or wherever you can access the internet) and insert the URL www.whattheydonotwantyoutoknow.com. If inserted properly, you'll be brought to an in-game message board containing maps of secret locations in the game. Check it out!
To randomly change the weather and time of day, break out your cell phone and insert the following number: (468)-555-0100.
To refill Niko's health and to give him some fresh armor, insert the following number into your cell phone: (362)-555-0100. If you want to give him health, fresh armor and refill all ammunition, insert this number instead: (482)-555-0100. Keep in mind that this will disable your ability to acquire some achievements.
Any time you're outside, break out your cell phone and insert the following phone numbers to unlock the vehicles listed.
Annihilator (Helicopter) - (359)-555-0100
Cognoscenti (Car) - (227)-555-0142
Comet (Car) - (227)-555-0175
FIB Buffalo (Car) - (227)-555-0100
Jetmax (Boat) - (938)-555-0100
NRG-900 (Motorcycle) - (625)-555-0100
Sanchez (Car) - (625)-555-0150
Super GT (Car) - (227)-555-0168
Turismo (Car) - (227)-555-0147
To unlock a baseball bat, grenades, M4, MP5, pistol, RPG and sniper rifle, insert the following number into your cell phone: (486)-555-0100. Keep in mind that this will disable your ability to acquire some achievements.
To unlock an AK-47, knife, Molotov Cocktails, pistol, RPG, sniper rifle and Uzi, insert the following number into your cell phone: (486)-555-0150. Keep in mind that this will disable your ability to acquire some achievements.
Enter the codes below on your cellphone to spawn the desired vehicle or activate a cheat (entering codes will disable Achievements).
Floater - 938-555-0150
Akuma - 625-555-0200
Vader - 625-555-3273
APC - 272-555-8265
Buzzard - 359-555-2899
Bullet GT - 227-555-9666
Parachute - 359-555-7272
Super Punch - 276-555-2666
Explosive Sniper - 486-555-2526
Call 486-555-0100 for the following weapons:
At one point in the game, you're given an option to kill Dwayne or Playboy X, and you must choose one or the other. If you kill Playboy X, you can use his loft and change clothes there. Amongst your change of clothes will be the outfit from GTA3 -- a tight black jacket and green cargo pants.
Head over to the Statue of Happiness and climb up as far as you can go. Head around the left side of the statue from where you entered. When you do this, the game will pause briefly and load a new shirt that your character will be wearing, a nice souvenir for visiting the statue!
Added by: iedog11 Dec 24th 2009, ID#5303