Double Dragon nes (USA)

1 Punch Knockdowns/Note by CRACKdown

03C5:0F
03C6:0F

1st Door Open/Note by CRACKdown

0517:40

Abobo Has 1 Half Times As Much Life by drgonzo7

YOPOIU

Abobo Has Half As Much Life by drgonzo7

ZEPOIU

Abobo Has Twice As Much Life by drgonzo7

ZXPOIU

All Enemies Die With One Knockdown by Phil The Hammer

03B5:00
03B6:00

Always Have Ball Bat/Note by Phil The Hammer

0396:80

Attack Of The Clones/Note by Abystus

009B:01
009C:01

Billy And Enemies Fall Hard To The Ground When Knocked Down by Daniel T

POTZZY

Billy Disappears When Hit And Reappears At A Different Location/Note by Daniel T

EEIIOY

Chin Has 1 Half Times As Much Life by drgonzo7

YOPOPU

Chin Has Half As Much Life by drgonzo7

ZEPOPU

Chin Has Twice As Much Life by drgonzo7

AUPOPL

Defeat Enemies And Bosses By Knocking Them Down Once by gedowski

SLNPAXSO

Disable Level 4 Wall Trap by drgonzo7

NYZSIU

Don't Gain Any Hearts by Tony Hedstrom

SXSNKLSA

Enemies And Billy Are Invisible by Daniel T

NOTZEY

Enemies Are Easier To Kill And So Is Billy by Daniel T

UTTXXX

Enemies Are Stronger And Fall As If Falling Off A Cliff by Daniel T

NEYZEY

Enemies Duck 12% of The Time, Every 8 Seconds/Note by Ugetab

YOEUALLE

Enemies Get Sucked Into The Air When Hit (Be Careful This May Happen To Billy As Well) by Daniel T

PTTXXX

Enemies Slowly Rise To Their Death by Daniel T

IIIZEY

Enemies Will Not Fight Back/Note by StillANESFan

IIIEOO

Fight Billy enemies by chronomoon

XZSPIZ

Flying Code/Note by Daniel T

NAYZEY

Freeze the timer countdown by Galoob

AAUNYLPA

Gain A Heart Everytime You Hit An Enemy by drgonzo7

EKINNL

Gain a Heart for Every 100 Heart Points by gedowski

AOKNELEP

Gain Hearts Quickly/Note by Phil The Hammer

0042:0D

Gain Hearts Very Quickly by Tony Hedstrom

VKKYXLVT

Gliding Billy by Daniel T

SISSSY

Hi Score Modifier by dlong

0034:??
0035:??
0036:??

Hit Anywhere/Note by nolberto82

XVSZVYAV
AEUXELGL
AEKZVLTZ
GXNZULEY
LENZVLGA
EUNXOLEI

Infinite Energy P1 by Phil The Hammer, dlong

03B4:50

Infinite Energy P1/Note by rimsky82

OSOLIAEI

Infinite Energy P2 by VisitntX

03B5:50

Infinite Lives by Phil The Hammer

0043:04

Infinite Lives by electric_jimi

EEUTLZZE

Infinite Lives by rimsky82

SXSTPTVG

Infinite Lives P1 by Phil The Hammer

0043:04

Infinite Lives P2 by VisitntX

00B2:02

Infinite Time by Phil The Hammer

0505:50

Infinite Time by rimsky82

SZKYAUSE

Invincible on all mode by chronomoon

EPNZXT

Jimmy (Final Boss) Has 1 Half Times As Much Life by drgonzo7

EKAOPL

Jimmy (Final Boss) Has Half As Much Life by drgonzo7

ZUAOPU

Jimmy (Final Boss) Has Twice As Much Life by drgonzo7

NNAOPU

Level Select/Note by VisitntX

003D:??

Linda Has 1 Half Times As Much Life by drgonzo7

YEPPIU

Linda Has Half As Much Life by drgonzo7

AEPPIL

Linda Has Twice As Much Life by drgonzo7

IOPPIL

Mode A Much More Power by Phil The Hammer

NYNLPE

More energy for player 1 by Galoob

XTKYOEZK

More energy for player 2 or the CPU by Galoob

XTKNXEZK

Never Fall From Normal Attacks/Note by CRACKdown

03C4:00

Nine Lives/Note by Yiu_DJC

PEUTLZZE

No Enemies by Kristian Jarvis

III000

No Sound by Daniel T

ZOLAZO

One Hit Kills/Note by nolberto82

YYNLLPZE
YYSLYPPE
AESLLPPA
PEVLGITA
YYSUTPZE
YNELPPZE

Only 2 Hits Needed Before You Can Uppercut Enemies by Ugetab

PAVUELZA

Only Punching Affects Enemies And Billy by Daniel T

GGGZEY

Play As Enemies/Note by Abystus

009A:02

Psychedelic Music And Some Sound Is Messed Up by Daniel T

ANGEIS

Rowper Has 1 Half Times As Much Life by drgonzo7

YEPPPU

Rowper Has Half As Much Life by drgonzo7

AEPPPL

Rowper Has Twice As Much Life by drgonzo7

IOPPPL

Score Modifier by dlong

0044:??
0045:??
0046:??

Scrolling Always Allowed/Note by CRACKdown

0047:02

Skip Intro Screen by nolberto82

AEVTPEPA

Slow Motion by Daniel T

KOTKOK

Stage Select/Note by gedowski

*EXVGYAA
*AVNLGAA

Start game with 1 life by Galoob

AEUTLZZA

Start game with 6 lives by Galoob

IEUTLZZA

Start game with 9 lives by Galoob

AEUTLZZE

Start With 2 Hearts, Start At Level 1 End Boss by Greg Olafurson

PEXTIZAA

Start With 20 Lives by Phil The Hammer

EEUTLZZA

Start With 3 Hearts, Mid-Level 1 by Greg Olafurson

ZEXTIZAA

Start With 4 Hearts, Mid-Level 1 by Greg Olafurson

LEXTIZAA

Start With All Hearts by Phil The Hammer

0040:07

Stronger Enemies (They Can Take More Punishment And Give It Back As Well) by Daniel T

PEYZEY

Stronger Lindas by Greg Olafurson

ZUPPIL

Switches Places Of Energy, Time, Etc. by Daniel T

PIKKYY

Teleporting Billy!/Note by Daniel T

GIPSSY

Timer will count down fast by Galoob

AZUYZLAL

Timer will count down super-fast by Galoob

APUYZLAL

Weaker Lindas by Greg Olafurson

TEPPIL

Weapon Modifier When Picking Up A Weapon/Note by gedowski

A8EC?29:A9
A8ED?0F:0?

What Happened To Billy!? by Daniel T

SIZZYY

When You Gain A Heart, The Heart Counter Resets To 900 Heart Points Instead of 0 by gedowski

PEKNSLAE

Williams Has 1 Half Times As Much Life by drgonzo7

YEAOIU

Williams Has Half As Much Life by drgonzo7

TEAOIL

Williams Has Twice As Much Life by drgonzo7

IOAOIL

Willie Has 1 Half Times As Much Life by drgonzo7

ZKZPPU

Willie Has Half As Much Life by drgonzo7

ZOZPPU

Willie Has Twice As Much Life by drgonzo7

ANZPPU