Cheat through the games with Aze...

Age of Empire
Press return to access player talk and type in one of these cheats

Big bertha-heavy catapults have greater range and damage
bigdaddy-Gain a cool Trans Am with a rocket launcher at your Town Center
black rider-Turns horse archers into black riders
coinage-Gives 1000 gold
dark rain-Composite bowmen turn into trees and can walk on water
diediedie-All enemies die
e=mc2 trooper-get a futuristic trooper. who fires nuclear missles which explode when they hit.
flying dutchman-Turns all juggernaughts into flying dutchman (including your own).
gaia-Resign as your tribe leader, but now you take charge of all the animals.(cannot be reversed)
hari kari-suicide
i am god-gives you tribes from other players
icbm-ballistae get 100 range points
home run-win the scenario
hoyohoyo-priest gets much faster and has 600 hit points (Note: you 1200 hit points if you type it in before you build the priest)
jack be nimble-catapults fire peasants who do somersaults as they fly through the air.
kill#-(where # is player 1-8) Kills target player
medusa-All villagers will turn into a medusa unit (no difference in appearance or actions).
When destroyed, the medusa will turn into a black rider, and when the black rider is killed, it turns into a heavy catapult.
no fog-Turns off fog of war
pepperoni pizza-Gain 1000 food
photon man-Deploys a nuke trooper at your town centre. (very destructive)
reveal map-Reveals map (cannot be reversed)
steroids-instant build (type again to reverse)
tour de force-Capture ruins, warchests and wonders
woodstock-Gain 1000 wood
quarry-Gain 1000 stones
young man-Removes population limit

Grand Theft Auto
Enter these codes at the character select screen, press "del" and enter the name. Spacing on the codes may or may not be right.

itsgallus: All Levels All Cities
nineinarow: All Levels All Cities
super well: All Levels All Cities
stevesmates: No Police
itcouldbeyou: Gives You 999999999 Points
suckmyrocket: All Weapons, Armor, & A Get Out Of Jail Free Card
6031769: Unlimited Lives
porkcharsui: Diagnostic Mode
callmenigel: ?
iamgarypenn: Extra Swearing version
iamnotgarypenn: no swearing at all
iamthelaw - no cops
itstantrum - unlimited lives
hate(space)machine- multiplyer x10
buckfast - all the weapons and full ammo by pressing * on the num-pad
itstantrum- Unlimited lives
6031769 - Unlimited lives
suckmyrocket - All weapons, all armor and a Get Out Of Jail Free card
buckfast - All weapons (press the * on the NUMPAD)
itsgallus - All levels and cities
nineinarow - All levels and cities
super well - All levels and cities
iamthelaw - No police
stevesmates - No police
itcouldbeyou - 999999999 Points
hate machine - Point values raised
porkcharsui - Diagnostic Mode

JediKnight
thereisnotry (skips you to the next level)
whiteflag (followed by a space and 1 or 0, enables/disables artifical intelligence)
deeznuts (increaces the level of your "force")
eriamjh (turns on fly mode)
jediwannabe (followed by a space and 1 or 0, turns on/off invulunability)
red5 (all weapons)
wamprat (all items)
yodajammies (gives you more "mana" or "force energy")
raccoonking (uber jedi, gives you all "force" abilitys of light side, darkside, and neutral side)
imayoda (just gives you all force abilitys of the light side)
sithlord (just gives you all force abilitys of the dark side)
5858lvr (map will show everything on level)
slowmo (followed by a space and a 1 or 0, enable/disable slow motion)
warp (warp to another level, haven't got it to work yet)

Lemmings 3D
Type in the code at any time during game

Warp to:
Level 2 (Which Exit?)-NASTALIK
Level 3 (Alilemm's)-PADUASOY
Level 4 (Castle Lemmalot)-BRELOQUE
Level 5 (A Short Cut Through the Woods)-OCHIDORE
Level 6 (Alpine Assault Course)-CECROPIA
Level 7 (Land Ahoy)-KABELJOU
Level 8 (A Head Above the Rest!)-DOUMPALM
level 9 (King Coders Tomb)-HABANERA
level 10 (Across the Network)-PARERGON

Mortal Combat IV
Alternate costumes:
Press Start and any action button to rotate the select screen pictures two times to enable each character's second costume, except for Sonya and Tanya. The select screen pictures must be rotated three times for those characters.
Fight as Meat:
Enter "Group Mode" and successfully complete the game with all sixteen characters. After this has been accomplished, select any character and begin a match. Your character will playing as Meat with all the moves of the character that was selected.
Fight as Goro:
Successfully complete the game with Shinnok. Enter the character selection screen, choose the HIDDEN icon using RUN, and keep holding it, then press UP, UP, UP , LEFT to highlight Shinnok's icon, and press BLOCK while still holding RUN.
Fight as Noob Saibot:
Successfully complete the game with Reiko. Enter the 012 012 Kombat code in versus mode. Exit this match and enter the character selection screen, choose the HIDDEN icon using RUN, and keep holding it, then press UP, UP,LEFT to highlight Reiko's icon, and press BLOCK while still holding RUN.
Single player stage select:
Enter the "Practice" menu and select the stage that appears prior to the desired stage that you wish to start at. Start a practice mode match, then immediately quit. Start a single player game to begin at the desired stage.
Kombat Kodes:
Enter one of the following codes to activate the corresponding effect.
Kode #1: 111-111 "Free Weapon"
           One weapon drops onto the center at the beginning of the match.
Kode #2: 100-100 "Throwing Disabled"
           No throws or bone-breakers.
Kode #3: 444-444 "Armed and Dangerous"
           Start off with your weapons drawn.
Kode #4: 666-666 "Silent Kombat"
           No background music.
Kode #5: 050-050 "Explosive Kombat"
           Last hit causes loser to explode.
Kode #6: 222-222 "Random Weapons"
           Start with another weapon at random, rather than default.
Kode #7: 123-123 "No Power ??"
           Start off with just a bit of energy above "DANGER" level.
Kode #8: 555-555 "Many Weapons"
           Weapons drop all over the stage.
Kode #9: 333-333 "Randper Kombat"
           No longer works in the home versions.
Kode #10: 060-060 "No Rain"
           No rain on the Wind World stage.
Kode #11: 002-002 "Weapon Kombat"
           Both players never drop their weapons.
Kode #12: ???-??? "4 Player Randper Illegal"
           ???
Kode #13: 012-012 "Noob Saibot Mode"
           Used for the process of playing as Noob Saibot in the PSX.
Kode #14: 020-020 "Red Rain"
           Causes it to rain blood at the "Wind World" stage.
Kode #15: 010-010 "Maximum Damage Disabled"
           No Maximum Damage limit for Combos.
Kode #16: 110-110 "Throwing and Max Damage Disabled"
           No Throws and Maximum Damage Combo Limit.
Kode #17: 011-011 "Kombat Zone: Goro's Lair"
           Play at "Goro's Lair" Stage.
Kode #18: 022-022 "Kombat Zone: The Well"
           Play at "The Well" Stage.
Kode #19: 033-033 "Kombat Zone: Elder Gods"
           Play at "The Elder Gods" Stage.
Kode #20: 044-044 "Kombat Zone: The Tomb"
           Play at "The Tomb" Stage.
Kode #21: 055-055 "Kombat Zone: Wind World"
           Play at "Wind World" Stage.
Kode #22: 066-066 "Kombat Zone: Reptile's Lair"
           Play at "Reptile's Lair" Stage.
Kode #23: 101-101 "Kombat Zone: Shaolin Temple"
           Play at "Shaolin Temple" Stage.
Kode #24: 202-202 "Kombat Zone: Living Forest"
           Play at "Living Forest" Stage.
Kode #25: 303-303 "Kombat Zone: The Prison"
           Play at "The Prison" Stage.
Kode #26: 001-001 "Unlimited Run"
           Get an unlimited Run meter.
Kode #27: 313-313 "Kombat Zone: Ice Pit"
           Play at "Ice Pit" Stage.
Kode #xx: 321-321 Big Head Mode (No actual on-screen text)
           The characters have over-sized heads.

Need for Speed III
Type in the following codes at the Main menu or the Game Setup Menu:

Vehicle Codes
CARS - Gives you all the bonus cars
CRASHE - If you crash, your car will get crash damage.
DCOP - Gives you the Pursuit Diablo SV bonus car.
ECOP - Gives you the Pusuit El Nino bonus car.
ELNINO - Gives you the El Nino bonus car.
EMPIRE - Gives you the bonus track.
JAG - Gives you the Jaguar Sport XJR-15 bonus car.
MERC - Gives you the Mercedes CLK-GTR bonus car.

Miscellaneous Codes
BULLHORN - Makes cops use their bullhorns (Hot Pursuit mode only).
GOnn - Where nn is a number between 00 and 16, inclusive. This code will change ALL cars in the game to one of the 17 available traffic cars.
(available in single player, single-race mode only).
go01 - Miata
go02 - Toyota Landcruiser
go03 - Cargo Truck
go04 - BMW 5 Series
go05 - 71 Plymouth Cuda
go06 - Ford Pickup with Camper Shell
go07 - Jeep Cherokee
go08 - Ford Fullsize Van
go09 - 64/65 Mustang
go10 - 66 Chevy Pickup
go11 - Range Rover
go12 - School bus
go13 - Taxi - Caprice Classic
go14 - Chevy Cargo Van
go15 - Volvo Station Wagon
go16 - Sedan
GOnn - Where nn is a number between 17 and 20, inclusive. This code will change ALL cars to one of the four pursuit vehicles that are normally non-drivable.
(available in single player, single-race mode only).
go17 - Crown Victoria Cop Car
go18 - Mitsubishi Eclipse Cop Car
go19 - Grand Am Cop Car
go20 - Range Rover Cop Car/Ranger Vehicle
GO21 - Allows you to drive the Knockout loser's truck. (available in single player, single-race mode only).
GOFAST - Multiplies engine power by about 1.75, and increases the car's grip so that it can handle the extra speed
(available in single player, single-race mode only).
MADLAND - Removes all constraints from opponent AI. AI cars will drive at their maximum ability.
MONKEY - Allows you to use the manual transmission as if it were an automatic. This can be a significant advantage, since the manual transmissions are usually more efficient.
(available in single player, single-race mode only).

Quake II
god - god mode
noclip - no clipping
notarget - monsters ignore you (until shot)
give quad - Quad Dammage
give invulnerability - get invulnerability
give jacketarmor - get armor
give silencer - get a silencer
give rebreather - get rebreather
GET weapons - give and then the name of the weapon
give all - to get all the weapons and all of the shit
fly - fly mode
R_lefthand 1 (change "1" to "0" to reverse) - turn yourself into a left-hander

StarCraft
To gain access to these cheats hit ENTER, TYPE IN THE CHEAT, and then hit ENTER once again. After you complete these steps the cheat should then be enabled.

Power overwhelming-God Mode
Show me the money-Gives you 10,000 gas and 10,000 crystal
Operation CWAL-Speeds construction of buildings and units
The Gathering-Gives unlimited energy to all casting units
Game over man-Ends your game as a loss
Staying Alive-Prevents the mission from ending due to victory or defeat
There is no cow level-Completes the current mission
Whats mine is mine-Free minerals
Breathe deep-Free Vespene Gas
Something for nothing-Gives all upgrades
Black Sheep Wall-Shows entire map
Medieval man-Free upgrades to units
Modify the phase variance-Ability to build all buildings
War aint what it used to be-Disables fog of war
Food for thought-Ability to build units beyond the support limit
Ophelia-Enter this to enable level skipping cheat. Then enter the mission you want to skip to (that is, "terran10") to go there.

If you click animals 13-14 times they should explode like nukes.

Unreal
To use these codes, simply hit the TAB key, type in the code of your choice, and Press ENTER.

SLOMO [number] - Change speed of game - 1.0 is normal
ALLAMMO-Gives you 999 ammo for all of your guns.
BEHINDVIEW 1-Puts you in Tomb Raider style view.
BEHINDVIEW 0-Resets this. (be sure to show off the shieldbelt environment mapping this way, and the cool animations, and the cool swimming...)
FLUSH-Cleans up screen trash.
FLY-Lets you fly around.
GHOST-Lets you walk through walls.
GOD-Makes you invulnerable to all attacks.
OPEN MAPNAME-Jump to any map, just enter the name like OPEN DIG.
PLAYERSONLY-Freezes time. Press again to resume time passage.
SUMMON [ITEM]-Lets you add a weapon or an item to the world. (see chart below)
WALK-Returns you to walking mode if you are flying or ghosting.

Some weapons:
SUMMON AUTOMAG (Weapon 2)
SUMMON STINGER (Weapon 3)
SUMMON QUADSHOT (Weapon 3 originally-blinds you)
SUMMON ASMD (Weapon 4)
SUMMON EIGHTBALL (Weapon 5)
SUMMON FLAKCANNON (Weapon 6)
SUMMON RAZORJACK (Weapon 7)
SUMMON GESBIORIFLE (Weapon 8)
SUMMON RIFLE (Weapon 9)
SUMMON MINIGUN (Weapon 0)
SUMMON WEAPONPOWERUP (upgrades weapons, can be done multiple times)

Some persons:
SUMMON NALI
SUMMON SKAARJWARRIOR

Some equipment:
SUMMON AMPLIFIER
SUMMON ASBESTOSSUIT
SUMMON CANNON-seems to be just a decoration
SUMMON FLASHLIGHT
SUMMON FORCEFIELD
SUMMON HEALTH
SUMMON JUMPBOOTS
SUMMON KEVLARSUIT
SUMMON SCUBAGEAR
SUMMON SEARCHLIGHT-creates better light SUMMON SEEDS
SUMMON SHIELDBELT
SUMMON SUPERHEALTH-creates the "plus 100" health pack
SUMMON TOXINSUIT
SUMMON VOICEBOX

Also, want to make someone ill while playing the game? (Or make someone really worry about their computer?) Hit [TAB] and enter: FOV 160! Had enough? FOV 90 is the default.