Super Mario Land gb (World)

Always have power ball by Galoob

00A-17B-C49

Always Have Star by PikaPoke

01ECD3C0

Always Speed 1 Music by Ugetab

008-73A-E69
008-89A-E69

Always Speed 2 Music by Ugetab

188-70A-4CA
008-7DA-E69

Automatically At End Of Level/Note by PikaPoke

01ECD2C0

Baddies & Some Objects Can Be Moved [Use On/Off] by DrShnaps

019613D1

Better Rising Code/Note by pmp2001

010609C2

Bonus Game Speed Is Even Slower Than Usual by nensondubois

25A-D0A-E66

Bonus Game Speed Is Faster Than Usual by nensondubois

02A-D0A-E66

Bonus Game Speed Is Maximum Speed by nensondubois

01A-D0A-E66

Bonus Game Speed Is Much Slower Than Usual by nensondubois

63A-D0A-E66

Bonus Game Speed Is Slower Than Usual by nensondubois

10A-D0A-E66

Bonus Game Speed Is Stopped by nensondubois

00A-D0A-E66

Can't Get Powerups by VisitntX

010197D1

Can't Run by pmp2000

01010FC2

Character Modifier/Note by nsullivant

01??03C2

Disable 'A' Button by Volrath

010180FF

Disable Music by Ugetab

C9D-BD9-C49

Enable Hard Mode/Note by nensondubois

012-16F-E6A

Enable Level Select by Ugetab

C34-AAF-A21
004-D3F-F7F

Enable Stage Select With Hard Mode/Note by nensondubois

022-16F-E6A

Enemies Die When They Touch You by Mezmorize

189-3FF-6EA

Enemies Fall From The Sky And Run Away by Galoob

016313D1

Fall much slower by Galoob

189-B3B-4CA

First Item Modifier/Note by PikaPoke

01??1FC9

Freeze Enemies/Powerups/Note by nensondubois

14C-FAD-6E2

Game Beaten Modifier/Note by MegamanX

01??E1C0

Game Skips Some Music by Rad Fiasco

01FF92DF

High Points Modifier (00-99) by Rad Fiasco

01??A1C0

Hold A Or B For Repeated Jumps And Shots by DrShnaps

010080FF

Infinite Continues by Unknown Hacker @ cmgsccc

010902C0

Infinite lives by Azathoth

21C-53E-4C1

Infinite time (switch off at end of stage to go on) by Galoob

008-60A-E6E

Invincibility by Lone Soldier

01F5D3C0

Invulnerability by Mezmorize

189-45F-2AA

Jump As High As You Want; Press A to Descend/Note by nensondubois

179-67B-802

Jump In Midair/Note by nolberto82

189-AEB-6EA
009-C2B-2A1
009-C9B-4C5
009-D8B-80E
009-E4B-C4A
FA9-E7B-4C1
C9B-75B-809

Jump Maximum Running Height While Standing by nensondubois

009-E6B-E62

Level You Get Credit For Beating/Note by Hyperhacker

01?YB4FF

Mario Action/Note by Hyperhacker

01??B3FF

Mario Action/Note by Hyperhacker

01??B3FF

Mario Doesn't Slide by pmp2000

01030DC2

Mario Slides by Phil Eccles

011003C2

Mid Jump/Note by pmp2000

01070AC2

Music Modifier by DIEDIEDIE

01??E8DF

Music Modifier/Note by CRACKdown

01??E8DF

No Enemies by Rad Fiasco

01FF00D1

Part Of Head Floating by Fairy

01670CC0

Partial Level Modifier/Note by Hyperhacker

010?E4FF

Pause Modifier by Hyperhacker

010?B2FF

Play As Daisy [Don't Collect Power-Ups!] by pmp2000

012203C2

Play Behide the Scenery by pmp2000

018F04C2

Power Ball Hits Anywhere/Note by nolberto82

000-48D-A21
E10-49D-5DE
E50-4AD-5DE
000-4BD-5DE

Power-ups Trapped by Mir

010298d1

Rest Of The Item Modifier by PikaPoke

01??76C9

Run thru all objects by Galoob

18A-B1E-2AA

Score Modifier For Digits 1 & 2 (00-99) by Alex Stiber

01??A2C0

Score Modifier For Digits 1 & 2 [00-99] by Alex Stiber

01??A2C0

Score Modifier For Digits 3 & 4 (00-99) by Alex Stiber

01??A1C0

Score Modifier For Digits 3 & 4 [00-99] by Alex Stiber

01??A1C0

Score Modifier For Digits 5 & 6 (00-99) by Alex Stiber

01??A0C0

Score Modifier For Digits 5 & 6 [00-99] by Alex Stiber

01??A0C0

Some Sprites Move Reallly Fast by Hyperhacker

010511D1

Some Sprites' X/Y Movement Are Reversed by Hyperhacker

010515D1

Start with 10 lives by Galoob

09D-49C-E62

Start with 2 lives by Galoob

01D-49C-E62

Start with 6 lives by Galoob

05D-49C-E62

Stay as large Mario by Galoob

00B-8EB-E69

Unlimited Lives by Galoob

010315DA

Unlimited Time by Rad Fiasco

019961DA

Wacky Speed Modifier/Note by Hyperhacker

01??0EC2

Wacky Speed Modifier/Note by Hyperhacker

01??0EC2

Walk Backwards by pmp2000

012105C2

Walk On Air/Helium Mario/Note by pmp2000

010107C2

Walk Really Fast/Note by pmp2000

01020FC2

Walk Really Fast (Don't Run with B!!) by pmp2001

01020FC2

Walk Upside Down by pmp2000

014105C2

White Mario by pmp2000, pmp2001

011004C2

World 1-1 music modifier by nensondubois

??7-B7F-F76

X Position Modifier by pmp2000

01??02C2

Y Position Modifier by pmp2000

01??01C2