GTA San Andreas

Health and Stats

$250,000, full health and armor - HESOYAM
Infinite Health (no damage from bullets, melee attacks, and fire) - BAGUVIX
Commit Suicide - GOODBYECRUELWORLD
Hitman Rank and Perks in All Weapons - PROFESSIONALKILLER
Infinite Ammo - FULLCLIP
Infinite Lung Capacity - CVWKXAM
Mega Punch - IANENJQ or STINGLIKEABEE
Mega Jump - KANGAROO
Mega Jump on BMX - CJPHONEHOME
Lower Muscle/Fat Stat - KVGYZQK
Max Fat Stat - BTCDBCB
Max Muscle Stat - BUFFMEUP
Max Respect Stat - WORSHIPME
Max Sex Appeal Stat - HELLOLADIES
Max Stamina - VKYPQCF
Max Vehicle Stats - NATURALTALENT


Weapons

Weapons 1
(Brass Knuckles, Bat, 9mm, Shotgun, Micro MP5, AK-47, Rifle, Rocket Launcher, Molotovs, Spray Can) -
LXGIWYL


Weapons 2
(Combat Knife, Desert Eagle, Sawed-Off Shotgun, Tec-9, M4, Sniper Rifle, Flame Thrower, Grenades, Fire Extinguisher) -
PROFESSIONALSKIT


Weapons 3
(Chainsaw, Silenced 9mm, Spaz Shotgun, MP5, M4, Sniper Rifle, Rocket Launcher, Satchel Charges) -
UZUMYMW


Vehicle Spawns

Spawn Bloodring Banger - OLDSPEEDDEMON
Spawn Caddy - RZHSUEW
Spawn Dozer - ITSALLBULL
Spawn Hotring Racer #1 - VROCKPOKEY
Spawn Hotring Racer #2 - VPJTQWV
Spawn Hunter - OHDUDE
Spawn Hydra - JUMPJET
Spawn Jetpack - ROCKETMAN
Spawn Monster - MONSTERMASH
Spawn Parachute - AIYPWZQP
Spawn Quadbike - FOURWHEELFUN
Spawn Rancher - JQNTDMH
Spawn Rhino - AIWPRTON
Spawn Romero - WHERESTHEFUNERAL
Spawn Stretch - CELEBRITYSTATUS
Spawn Stuntplane - FLYINGTOSTUNT
Spawn Tanker - AMOMHRER
Spawn Trashmaster - TRUEGRIME
Spawn Vortex - KGGGDKP


Vehicle Effects

Aggressive Drivers - YLTEICZ
All Black Cars - IOWDLAC
All Cars are Country Vehicles - FVTMNBZ
All Cars Equipped With Nitro - SPEEDFREAK
All Junk Cars - EVERYONEISPOOR
All Pink Cars - LLQPFBN
Destroy All Cars Onscreen - CPKTNWT
Floating Car After Collision - BUBBLECARS
Flying Boats - FLYINGFISH
Flying Cars - CHITTYCHITTYBANGBANG
Full Weapon Aiming in Vehicles - OUIQDMW
Perfect Handling - STICKLIKEGLUE
Invisible Vehicles - WHEELSONLYPLEASE
Spawn Faster Cars - EVERYONEISRICH
Traffic Lights Always Green - ZEIIVG
Turn Vehicle into Tank - JCNRUAD


Wanted Level

Lock Current Wanted Level - AEZAKMI
Lower Wanted Level - TURNDOWNTHEHEAT
Raise Wanted Level - TURNUPTHEHEAT
Six-star Wanted Level - BRINGITON


Weather/Time

Cloudy - AUIFRVQS
Faster Clock - YSOHNUL
Faster Gameplay - SPEEDITUP
Fog - CFVFGMJ
Freeze Time at Midnight - NIGHTPROWLER
Sunny 2 - TOODAMNHOT
Sunny - PLEASANTLYWARM
Orange Sky - OFVIAC
Overcast - ALNSFMZO
Sandstorm - CWJXUOC
Slower Gameplay - SLOWITDOWN
Storm - SCOTTISHSUMMER


Pedestrians

All Elvis Pedestrians - BLUESUEDESHOES
CJ Beach Clothes, Pedestrians Bikinis, Change Traffic - LIFESABEACH
CJ Clown, Pedestrians Workers, Change Traffic - CRAZYTOWN
Pedestrians are Gang Members - ONLYHOMIESALLOWED
CJ Gimp Suit, Pedestrians Prostitutes - BEKKNQV
Katana-wielding Pedestrians and Black Traffic - NINJATOWN
No Pedestrians, and Sparse Traffic - GHOSTTOWN
Only Gang Members on Streets - BIFBUZZ
Pedestrians Attack (cannot be disabled, do not save game) - BAGOWPG
Pedestrians Attack with Weapons (cannot be disabled, do not save game) - BGLUAWML
Pedestrians Carry Weapons - FOOOXFT
Pedestrians Riot (cannot be disabled, do not save game) - AJLOJYQY
Recruit Anyone (with 9mm) - SJMAHPE
Recruit Anyone (with Rockets) - ROCKETMAYHEM


Miscellaneous

Adrenaline Mode - ANOSEONGLASS
Chaos Mode - STATEOFEMERGENCY
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I will maybe post more GTA SA cheats later, but this is what I got for the moment!