bit early but heres some cheats

[wilson1980]

I/ Cheat codes to dial on Niko's cell

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

 

[cg010169]

Do not save the game after enabling a code to avoid unforeseen problems. Enabling some cheats may prevent achievements from being earned.

Refill health

Dial "3625550100" into the cellphone. Note: This prevents the "Cleaned The Mean Streets" achievement from being earned.

Refill health and ammunition

Dial "4825550100" into the cellphone. Note: This prevents the "Cleaned The Mean Streets" achievement from being earned.

Weapons tier 1

Dial "4865550100" into the cellphone. This will unlock the baseball bat, handgun, shotgun, MP5, M4, sniper rifle, RPG, and grenades. Note: This prevents the "Cleaned The Mean Streets" achievement from being earned.

Weapons tier 2

Dial "4865550150" into the cellphone. This will unlock the knife, Molotov cocktails, handgun, shotgun, Uzi, AK47, sniper rifle, and RPG. Note: This prevents the "Cleaned The Mean Streets" achievement from being earned.

Remove Niko's wanted level

Dial "2675550100" into the cellphone. Note: This prevents the "Walk Free" achievement from being earned.

Add one star to Niko's wanted level

Dial "2675550150" into the cellphone.
Spawn Annihilator

Dial "3595550100" into the cellphone. Note: This prevents the "Walk Free" achievement from being earned.

 

[wilson1980]

good shout there..how dumb am i cause i forgot that from the last game not to save the cheats.cause it messes wit the game