General

Sonic 2
1, 9, 9, 2, 1, 1, 2, 4. Press Start and hold A.
19, 65, 9, 17, then push C
4, 1, 2, 6.

gimmebkplz

Unlocks the Burger King Decal in Need for Speed

31267 black dragons

iddqd
idkfa

good ol doom codes

I kinda remember this trick in pokemon emerald where you can clown your pokemon exactly the same with items
it was something where you had to turn off the game while it was saving I don't remember exactly

thereisnocowlevel
whosyourdaddy
greedisgood
thereisnospoon
allyourbasearebelongtous
iseedeadpeople

Good old Warcraft 3 days.

OH IN BARBIE GAME I UNLOCKED KEN AND THIS CUTE PINK OUTFITT BY PRESSING X,X, LEFT, RIGHT, UP ANALOG STICK, START AND TRIANGLEEE IT WAS THE MOST AWESOMEST THING EVrR

Cloning glitch in Pokemon Emerald. I used that so much and showed all my friends. They didn't know about it and freaked out when I showed them.

bigdaddy
quarry
pepperoni pizza
woodstock

iseedeadpeople
greedisgood 99999
whosyourdaddy

*wipes tears* Miss the old days of Warcraft 3 Reign of Chaos and the Frozen Throne expansion pack.

And the cloning glitch from Pokemon Emerald <3

up up down down left right left right square square cicrle triangle cross: double bladed saber in ratchet and clank 3

up up down down left right left right B A

medium rare please
give me liberty or give me coin

I used to know a lot of cheat codes, but I now only remember 2 from Age of Empires 3. lol

nwcwhatisthematrix
nwcthereisnospoon
nwcnebuchadnezzar
nwczion
nwclotsofguns
nwcmorpheus
nwcfollowthewhiterabbit
nwctrinity
nwcagents
nwctheconstruct
Heros Chronicles^^

iseedeadpeople, motherland (Warcraft 3)
cheesesteakjimmy's, lumberjack, rock on (Age of Empires II)
woodstock, coinage (Age of Empires)
move_objects on, rosebud, !;!;!;!; (The Sims)
call cousin vinnie (SimCity 3000)

Mash Start at game menu screen to unlock 3 extra stages in vs mode (bomberman 64)

pepperonipizza
bigdaddy
rosebud
iseedeadpeople
whosyourdaddy

Right right, A,A, Down, Down

and

Down,A,right,Down,A,right

The Konami Code.
Up,up,down,down,left,right,left,right,B,A.

A-B-B-A Revive yourself.
-Ikari Warriors.

Up circle circle down left circle circle right
Up x x down left x x right
Up square square down left square square right
The three different weapon sets for Grand Theft Auto Liberty City Stories.

I pity any of you who actually still remember such trivial information

up up down down left right left right b a start
just because we use cheats doesn't mean we're not smart

Not a cheat code but...
133 221 333 123 111.

Old Maple days.

I found this out long after I beat this game but in super mario 64, if you jump off a certain tree in the yard and butterflies fly out, you can punch them and get 1up for each one you punch

EDIT: both are eater eggs more than cheats but in twilight princess if you pull out the fishing rod while battling ganondorf, it will distract him

Down, Down, Down, Down as young link in OOT.
Invincibility with the Hyrule Shield on <3

up up up, left, down down down, left, up up up, left, right.
Invincibility for Star Wars Battlefront, lol.

@antisora99 SPYROO <3 haha cutest game ever...loved the purple dragon

I remember cheats for harvest moon Unlimited money, more crops, more animals!
and ofcourse Rock band, all songs were unlocked .. all modes too.

Spyro year of the Dragon
99 lives: R2, L2, R2, L2, Up, Up, Up, Up, Circle I'm such a cheater

L1,L2,R1,L2,up,left,down,right,up,left,down,down,down

ahh how did i foget: how do you turn this on, torpedo#, all the resources codes, aegis, woof woof