
Arkanoid


AEYZOP     See blocks that have been destroyed
GKIZZN     Mega fast ball
POIZZY     Fast ball that demo can handle
AEIZZN     Fast ball you can handle
IIZZIG     Different colors
SOTUVA     Door on side is always open
OPEEIO     Items fall through you
EAEEIO     Items fall through you & ship will not explode
LKEEIP     Demo plays for you
LXEEIP     Demo plays for you except on levels  10,20,30
ZXEEIO     Demo plays for you on a few levels
XTSPEE     Black background and blocks
VVZZPP     Square ball
AEIEEI     No points can be scored in the game
AISXXL     Extra invisible blocks
YYAXXX     Major points and speed
STPOOO     Ball goes through all blocks

Castlevania


SKPPAG     Jump to freeze enemy. Some times the game pauses and 
           unpauses and brings the candles back.

Contra


TEIIXZ     After you die you come back with a weird gun.
NYAIUZ     When you die you get an extra life.

Double Dragon


YNUTLZZE   Start with over 200 lives.

Double Dragon 2


EEEVOIAA   Speed up game

Dragon Warrior


YLTTOP     You only need to hit an enemy once to kill it. (Does not 
           always work)
NLLLTT     No writing
KISKIS     Walk through walls in some towns.
VKVLLP     Walk through some walls.
VTUZOP     Every time you bring up the subscreen you get a
           better shield, armor, and weapon.
LLVLOP     Ex. points goes up 255 every time you kill something.
           (This code messes up the screen a little)
EAAKOX     Bring back old caricature.
SAAKOV     Goloman is every were.
EAAKOZ     Start new game with 255 energy.
YYLLLX     Never leave castle, walk on grass.
AATVLL     Gain more gold from first treasure chest.
LUUVZI     Enemies are very strong.

Gauntlet


GGEEEE     Walk through walls.
ZZOOOO     Move slowly.

The Guardian Legend


NZPISL     Hold down both A and B to warp past a flying screen.
           Use Controller 2 to move around and use Controller to warp.
TNZVVO     No bad guys on the screen.
YNZNVP     Start with a very strong shield.
YNLVOG     Just land
YUGAEK     Enter this code, and press Start.  When the title
           screen appears, select the password and enter this code.

           TGLA     AAAA     AAAA     AAAA
           AAAA     AAAA     AAAA     AAAA

           With these codes you will only do the flying scenes and you 
           cannot die.
ZSTEKP     Press Select to get more energy tanks and a higher score.
ZUTEKP     Press Select to get more energy whenever you need it.  
           Note that this code messes up the screen when you use it.
AEISSX     Speed up game
EOZYYY     No enemies in flying scenes

The Goonies 2


YEUAOPZA   Jump up to ceiling.
IESAPAPA   Super speed

Gradius


NLLXZP     Automatic fire is on for normal gun
YAAKIO     Your ship is at the very top of the screen
KPPZZL     Enemies farther ahead
NYPZZL     No enemies except end guys

Kong-Fu


OPKAAA     All ways go right, no end guys, shorter levels.

The Legend of Zelda


NOTE:  If their is an "o" next to the code it means it will only work 
with the old version of Zelda.  You can tell if you have an old 
version when you die and it says Continue, Save, Retry and nothing 
else. If you have the new version it will also have a red box that 
says Hold in the Reset button when you turn off the power.   If there 
is an "?" next to the code, the code has not been tested on both 
versions of the game.

PPLXZZ     Touch wall and a ghost will appear 
PPEEAA     Brings up castle subscreen at all times
VVTTSP     Puts you on beginning screen
POZXXU     Walk around and fire sword, you will get stuff on
           location--?
AAIZZI     Infinite money--?
AEEAEE     all enemies in game are falling rocks
AAPVEX     Start game at the top left corner of map
AAANAA     Walk through walls in castles.  Use the whistle to get to
           a  castle.
AAPNLO     Walk through walls, trees, and water in the overworld.  
           Don't enter caves; if you do you will not be able to get out.
OSTLLY     Press the B button to use weapons you do not have.  When
           using this code you must have no weapons.  You may have
           to press the B button several times.
AIIOOV     Start with 24 bombs--o
TIIOOV     Start with the potion--o
YIIOOV     Start with the wand--o
IIIOOV     Start with the meat--o
GIIOOV     Start with the whistle--o
LIIOOV     Start with a green candle--o
ZIIOOV     Start with the bow--o
PIIOOV     Start with a very strong arrow.  (This arrow can't kill
           Ganon so of you want to pass the game don't use this code)--o
TTIOOV     Start with 24 keys--o
ITIOOV     Start with 24 coins--o
IYIOOV     Money goes up once in a while--o
AKITVX     Forms new entrance when you leave a cave
EENAKP     Different stuff in caves
KTVXXZ     Secret entrances are open.  (you can't kill the snake in 
           the last level with this code)
XYYYYL     Meat comes out of shooting sword
KIOZXX     Rooms are split in half, you might be able to find things, 
           like Hearts.
VXXTSS     Walk when you usually can't--o
SZZVVZ     Link is different colors
PPZXYY     Change castle
XXLLLZ     Rapid B button is on, walk through some enemies
IZLZZZ     Wall changes into rock man when you touch it
OPPEEA     Speed writing
PPEEAA     Brings up castle subscreen at all times

Mega Man 3


XZXXZZ     Push Start to fill up your energy.  Note that this code
           messes up the subscreen and you can't select the
           gun you start off with.
YNXSTLGO   You can slide forever.
YAKGNIPA   Start with mega speed.

Metroid


AAESTL     Normal gun is lower to the ground
ZZXLUY     No background music
XXUAAA     Enemies are frozen  (If you touch them, you still get hurt.)
EEUAAA     Enemies are weird
LLLVVV     There is a missile were the ball usually is
ZZZTTT     Walk through walls when facing left
ZZZUUU     Different music
PPPSSS     Gives you 30 energy instead of 5 after you kill an enemy
PPPAAA     Some enemies are killed for you

Millon's Secret Castle


NPSSZX     Totally invincible
IPSSZX     One hit and you die
PEEPPZ     Lighting comes out fast
ZZZXYY     Cool fire power when facing right
TZZZXV     Infinite money

Ninja Gaiden 2


AAZVYL     Less enemies

Pac-Man


YTXTZASZ   Power pills never run out.

Rolling Thunder


YNXZIA     Don't jump, just press Right to make it through a level

Sky Hunter


SPPPEA     No gun
XVVZSS     Score increases very fast & slow motion.
VZOPKG     Other cars go very fast
PEAEEP     Game is speed up
TTPEAK     Weird car crashes
KIIOOZ     No other cars then you and weapon vans.
YKPOOZ     No good guy cars and boats other then trucks
KPPIIK     Very different and cool courses.
YYEZNIYE   The timer is slowed considerably.

Super Mario Bros.


YYTOZA     Start with over 155 lives
AAZUAG     Jump as high as you want by holding down the A button.
           When you want to come back down, let go of the A button.
           This only works on turbo running.
AAOPAK     No back ground
YYOPAK     Only clouds in back ground
GGOPAK     Back Ground all mixed up
EAKKPO     No enemies (weird)
KIIOZV     Distortion of level one

Tetris (Tengin)


OOEAKZ     6 lines taken away instead of 1.
POVOEA     Get 999 points when block hits the ground (messed up)
PPAEPO     Press Down to rotate block very fast
POSEGK     Blocks go throw every wall and block
GAAEPP     Press down to stop blocks from falling
ZZEAGI     Blocks invisible when you set them down
AEKOOX     Higher score when blocks hit the ground
YNKOOX     Can't see blocks when they hit the ground

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