Having trouble finding that Comet for Stevie?

Not sure where that last flying rat happens to be perching?

Want to complete every last stunt jump?

Well read on for maps with all the locations marked.

Continue reading →

Dial cheats into Niko’s mobile phone (press up on d-pad). Note: do not save after entering a cheat - this may cause problems, and may prevent you from unlocking certain achievements.

Health
482-555-0100

Armor
362-555-0100

Weapons #1
(Baseball Bat, Handgun, Shotgun, MP5, M4, Sniper Rifle, RPG, Grenades.)
486-555-0100

Weapons #2
(Knife, Molotovs, Handgun, Shotgun, Uzi, AK47, Sniper Rifle, RPG)
486-555-0150

Remove Wanted Level
(Blocks achievement “Walked free”)
267-555-0100

Raise Wanted Level
267-555-0150

Change Weather/Brightness
468-555-0100

Spawn Annihilator
359-555-0100

Spawn Jetmax
938-555-0100

Spawn NRG-900
625-555-0100

Spawn Sanchez
625-555-0150

Spawn FIB Buffalo
227-555-0100

Spawn Comet
227-555-0175

Spawn Turismo
227-555-0147

Spawn Cognoscenti
227-555-0142

Spawn SuperGT
227-555-0168

Complete Map - (with weapon, health, armor, pigeon, etc. locations)
Enter the URL “www.whattheydonotwantyoutoknow.com” into computers in the game

Found this online and just thought I would share it with all my fellow Gamerscore Whores.

Type these cheats in on the Career Menu > Code Entry

SAFETYNET - for repair markers
reggame - $10000 bonus and unlock cars, including camaro concept, mustang gt500 and r34 skyline
1ma9×99 - $2000 bonus
w2iollo1 - $4000 bonus
L1is97a1 - $8000 bonus
ZEROZEROZERO - Coke Zero Golf GTI
HORSEPOWER - for engine upgrade
leipzig - unknown unlock
collectorsed - unlock acura integra, acura nsx, audi rs4, lexus is350 and solstice gxp in collectors edition
UNLOCKALLTHINGS - unlock all bonuses
itsaboutyou - Unlock audi tt quattro
castrolsyntec - unlock castrol syntec vinyl
energizerlithium - unlock energizer lithium viper & vinyl
worldslongestlasting - unlock k&n vinyl
mitsubishigofar - unlock lancer evolution
CASHMONEY - you get $10,000

Get five Free Repair markers by selecting options in the Main menu, then codes, and then inputting the following code: SAFETYNET.
Note: this only works once.