Metroid nes (USA)

1 hit kills all flying enemies per screen by Phil The Hammer

0027:FF

255 Rockets On Pick-Up by nintendo@pioneer-net

NNNSXLIE

All Doors/Hatches Are Opened/Note by Dybbles

EOEAUUXX
AVEEKLAZ

All Power Ups by safaribans

6878:FF

Always Fire/Note by Radical Hacker

010E:0?

Always Have Screw Attack Effect by nolberto82

AOOKKSAU
AVXGESEA

Always Pass Password Check/Note by Cyperium

APEAXVAU

Background Is White by "Evil_Spock" - Charles DuMarr

ALZTLT

Beam Has Longer Range by D.A.B

IIAIII

Bomb and destroy any block/Note by BeyondTheStatic

ETVSYY

Bomb Sprite Plus Your Bombs Explode Twice by "Evil_Spock" - Charles DuMarr

XXNAPI

Bullets Explode On Contact/Note by Cyperium

PENIYIGE

Create/destroy blocks with a beam, anywhere/Note by BeyondTheStatic

IZPSTT
AAASYT

Easier Bomb Jumping by nolberto82

AANSPTGP
AAVIGPZL

Enable NARPAS SWORD Cheat/Note by Cyperium

AAUGSOYA

Ending Time Modifier by ReyVGM

687E:??

Enemies Are Frozen (If You Touch Them, You Still Get Hurt) by brunsr

XXUAAA

Enemies Die Automatically by nolberto82

AAKYPSPZ

Enhanced Space Jump by Neutrino99

KAPGEI

Extra energy by Galoob

YAXGVPLA

Fire Both Missiles And Standard Hot by D.A.B

IIPIIU

Freezing shot disintegrate enemies/Note by megaman_exe

ALKNASLA
AAONPIGA

Fully-powered 5-way shot by Phil The Hammer

003C:04
003D:05

Gain 10 rockets on pick-up by Galoob

ZENSXLIE

Gain 143 rockets on pick-up by chronomoon

NENSXLIE

Gain 15 rockets on pick-up by Galoob

YENSXLIE

Game Boy Mode by nensondubois

OIKKZKTO

Get Item From Anywhere/Note by nolberto82

AEXSNLTG

Get Pickups From Anywhere/Note by nolberto82

GXENAGEY

Gives You 30 Energy Instead Of 5 After You Kill An Enemy by brunsr

PPPSSS

High Jump W/out High Jump Boots/Note by Tony Hedstrom

ZONGKNAP

Hit Anywhere by nolberto82

GXKNZZEL
NYUNYIAX
AAKYLLLA
SXSYZZAX

Infinite Energy/Note by Phil The Hammer

0107:04

Infinite Energy by Phil The Hammer, Radical Hacker

0106:90
0107:79

Infinite Energy Tanks by Phil The Hammer

6877:10

Infinite Energy Tanks by Phil The Hammer

6877:0A

Infinite Energy, All Items, Infinite Missles/Note by safaribans

69B2:01

Infinite Health by rimsky82

AEXGXTLA

Infinite Health by Ramdemann

SXKKXVSE
SXSGNVSE

Infinite rockets on pick-up by Galoob

SZUILUVK

Infinite Time To Escape Tourian/Note by Phil The Hammer

010B:99

Infinite Time To Escape Tourian by Ramdemann

SXNXAOSE
SZEZIXSE

Invincibility Against Arcing Pellets by Pugsy

AVVNYZAZ

Invincibility Against Dive Bombing Insects by Pugsy

AVUYTZAZ

Invincibility Against Metroids (Can stick to you like glue till you go thro doors) by Pugsy

OXEPNOOK

Invincibility Against Most Bad Sprites by Pugsy

AVOYIXSL

Invincibility Against Most Bullets by Pugsy

EPKYUGAZ
APKYKKKP

Invincibility Against Mother Brain's Shield by Pugsy

ATEPUVSZ

Invincibility Against Reappearing Blocks by Pugsy

AVKYXTAZ

Invincibility Against Water/Lava by Pugsy

EPNVLZKA
PZNVGZZN

Invincible/Note by Pugsy

EPNVLZKA
PZNVGZZN
AVOYIXSL
EPKYUGAZ
APKYKKKP

Invincible, except touching Mother Brain by Phil The Hammer

0040:37

Jump In Midair by nolberto82

GZUIAAEY
GZOGEIEY

Jump Through Roof by Cyperium

AAVTTKLL

Mega Jump W/out High Jump Boots!/Note by Tony Hedstrom

GENGKNAO

Mega jump with High jump boots!/Note by Tony Hedstrom

GENKSYZO

Minimum energy of 30 by Galoob

SXSGNVSE

New Music by Neil

ZZZLUU

No Background Music by brunsr

ZZXLUY

No Music, Just Sound Effects by Neil

ZZZLUN

Normal Gun Is Lower To The Ground by brunsr

AAESTL

Pass Through Any Wall To The Left by D.A.B

TTXTTT

Pressing Fire Button Lays Bombs Even While Jumping by D.A.B

IIPIIX

by Cyperium

PPNVZXLX
AEOVTZYA
LESKALPA
XTKVIUZK

Shoot and destroy any block/Note by BeyondTheStatic

IZPSTT

Shoot once & your body can break breakable blocks & open doors/Note by BeyondTheStatic

PPPSII

Shots Pierce Through Enemies by nolberto82

SXSYZZAX

Skip Intro Screen by nolberto82

AAEELATP

Skywalker/Note by safaribans

0314:00

Some Enemies Are Killed For You by brunsr

PPPAAA

Start With All Items And You Are Invincible/Note by asaic@escape.ca

ALLGKP

Start With Infinite Missiles by Phil The Hammer

6879:55

Start With Infinite Missiles by Phil The Hammer

6879:FF

Start With Long Beam by "Evil_Spock" - Charles DuMarr

GAESGI

Start With Over 1,600 On Life/Note by

NYXGVPLE

Suitless Samus by Rune

69B3:01

Switch F/X On To Levitate Jump by AetherKnight

0312:00

Totally Invincible/Note by Lazy Bastard, Phil The Hammer

0070:0B

Tourian's Bridge Is Opened When You Walk In/Note by Cyperium

TEOIEXPO

Untouchable/Note by Phil The Hammer

0070:02

View Ending At Start Of Level/Note by Cyperium

NGKGYOLZ
EIKKAOOK
LOSGYPAA

View Ending At Title Screen/Note by Cyperium

EIUAPAOE
NGUAAEGZ
OXUKPKPX

View Ending By Pausing The Game/Note by Cyperium

NGKKLPOL
EIKKGOOK

Walk Across Gaps/Note by Pugsy

EUOTGLEI
YEOTILIE

Walk through Walls/Note by Pugsy

AAUTIVIZ
AANTYVZZ

Wall Hop Anywhere/Note by BeyondTheStatic

XXZTLL

When You Get A Big Item, You Don't Have To Wait For The Music To Continue by

YAGKSP

You Can't Pause The Game by Link

YAZGZP