1, Health And Weapons - GTA-555-0100
2, Weapons - GUN-555-0150
3, Advanced Weapons - GUN-555-0100
4, Health - DOC-555-0100
5, Wanted Level Down - COP-555-0100
6, Wanted Level Up - COP-555-0150
7, Climate Change - HOT-555-0100
8, Spawn Cognoscenti (Mafia Car) - CAR-555-0142
9, Spawn Sanchez (Dirt Bike) - MBK-555-0150
10, Spawn FBI Buffalo - CAR-555-0100
11, Spawn Turismo - CAR-555-0147
12, Spawn NRG900 - MBK-555-0100
13, Spawn Comet - CAR-555-0175
14, Spawn SuperGT - CAR-555-0168
15, Spawn Police Chopper - FLY-555-0100
16, Spawn Jetmax (Boat) - WET-555-0100

Cheats:
health and weapons - 4825550100
health and armour - 3625550100
weapons (adv) - 4865550100
Weapons tier 1 - 4865550150
Weapons tier 2 - 4865550100
Remove Niko's wanted level - 2675550100
Change weather and brightness - 4685550100

While playing the game, enter the following cheats:
LEAVEMEALONE - the cops leave you
BIG BANG - vehicles in the surroundings blast
NOBODYLIKESME - everyone tries to kill you
FANNY MAGNET - girls come attracted towards you

Phone numbers:
The following locations and people can be called from your cellphone.

-Businesses:
............
Bean Machine Coffee : 555-0110
Emergency Services : 911
Express Car Service : 555-2222
Express Car Service : 555-3333
Fire Proof Doors : 555-5700
Hero Shop : 555-8575
LCPD Recruitment : 555-RECRUIT
Liberty Construction : 555-1274-73
No Problemo Bail Bonds : 555-945-733-92
Storage : 555-221-3877
Superb Deli : 555-4674
The Serrated Edge : 1-800-555-5555
Used Auto Parts : 555-7300
Vinewood Laundromat : 555-5123
ZiT : 948-555-0100

General Cheats:
THUGSTOOLS - All Level1 Weapons
PROFESSIONALTOOLS - All Level2 Weapons
NUTTERTOOLS - All Level3 Weapons
ASPIRINE - Full Health
PRECIOUSPROTECTION - Full Armor
FANNYMAGNET - Ladies Magnet (women follow you)
YOUWONTTAKEMEALIVE - Higher Wanted Level
LEAVEMEALONE - No Wanted Level
ICANTTAKEITANYMORE - Commit Suicide

Character Skin Cheats:
DEEPFRIEDMARSBARS - Fat Body
PROGRAMMER - Skinny arms and legs
STILLLIKEDRESSINGUP - Random Change of Clothes
CERTAINDEATH - Smoke a cigarette
CHEATSHAVEBEENCRACKED - Play as Ricardo Diaz
LOOKLIKELANCE - Play as Lance Vance
MYSONISALAWYER - Play as Ken Rosenberg
LOOKLIKEHILARY - Play as Hilary King
ROCKANDROLLMAN - Play as Love Fist character Jezz Torent
WELOVEOURDICK - Play as Love Fist character Dick
ONEARMEDBANDIT - Play as Phil Cassidy.
IDONTHAVETHEMONEYSONNY - Play as Sonny Forelli.
FOXYLITTLETHING - Play as Mercedes

Vehicle Spawn Cheats:
PANZER - Spawns a Rhino
TRAVELINSTYLE - Spawns a Bloodring Banger
GETTHEREQUICKLY - Spawns Bloodring Banger#2
GETTHEREFAST - Spawns a Sabre Turbo
GETTHEREVERYFASTINDEED - Spawns a Hotring Racer
GETTHEREAMAZINGLYFAST - Spawns Hotring Racer#2
THELASTRIDE - Spawns a Romero's Hearse
ROCKANDROLLCAR - Spawns Love Fist's Limo
RUBBISHCAR - Spawns a Trashmaster
BETTERTHANWALKING - Spawns a Caddie

Vehicle Cheats:
BIGBANG - Blows up all nearby vehicles
MIAMITRAFFIC - Aggressive Traffic
AHAIRDRESSERSCAR - All Pink Vehicles
IWANTITPAINTEDBLACK - All Black Vehicles
COMEFLYWITHME - Vehicles have flying ability
GRIPISEVERYTHING - Better Vehicle Handling
GREENLIGHT - All Traffic Lights are green
SEAWAYS - Vehicles drive on water
WHEELSAREALLINEED - Makes only vehicle wheels visible
LOADSOFLITTLETHINGS - Sportscars have bigger wheels

Weather Cheats:
ALOVELYDAY - Clear Weather
APLEASANTDAY - Lightly Clouded
ABITDRIEG - Dense Clouds
CANTSEEATHING - Foggy Weather
CATSANDDOGS - Stormy Weather

Miscellaneous Cheats:
LIFEISPASSINGMEBY - Speeds up Game Clock
ONSPEED - Makes everything faster
BOOOOOORING - Makes everything slower
FIGHTFIGHTFIGHT - Aggressive Pedestrians
NOBODYLIKESME - Everybody wants to kill you
OURGODGIVENRIGHTTOBEARARMS - Pedestrians carry weapons
CHICKSWITHGUNS - Only Female Peds carry weapons
CHASESTAT - Shows Media Level

Unknown Cheats:
HOPINGIRL - ??????
AIRSHIP - ??????