Earthworm Jim gen (USA)

Collect items/power-ups from anywhere above you. /Note by Tony Hedstrom

ALGW-JA6E

Crows (above you) Can't Fly Down (low enough to reach you) by Mezmorize

2522AC:6010

Disable Infinite Health Cheat by terpsfan101

FFA6AA:0000

Enable Infinite Health Cheat by terpsfan101

FFA6AA:00FF

Enable Map View Mode/Note by terpsfan101

FF993D:00FF

Freezes 1st Boss/Note by Rune

FFAFC4:0009

Health power-ups worth 2 on Practice, 1 on Normal, 0 on HARD by Galoob

SE9C-MJT4

Health power-ups worth 3 on Practice, 2 on Normal, 1 on HARD by Galoob

SE9C-MNT4

Health power-ups worth 8 on Practice, 7 on Normal, 6 on HARD by Galoob

SE9C-MAT4

High Jump by Tony Hedstrom

YKXW-JAA4

Hit enemies from anywhere with your whip (crows, dogs, etc). by Tony Hedstrom

GWJC-JA2W

Hit/grab items from anywhere with your whip. /Note by Tony Hedstrom

GLJC-JA42

Hyper Game Speed by 47iscool

R1EW-J606 

Infinite ammo by Galoob

GC3C-JA4C

Infinite Ammo by VisitntX

RG3C-J61J

Infinite Ammo/Note by Rune

FFFBF6:0009
FFFBF6:0009

Infinite Ammo by terpsfan101

FFFBF4:3939
FFFBF6:3939

Infinite continues by Galoob

AW6C-JA2T

Infinite Continues by terpsfan101

FFA6D0:0009

Infinite Energy by VisitntX

AL3W-JA7E

Infinite Health by terpsfan101

FFFBFD:0039
FFFBFE:3939

Infinite health (may cause graphic errors) by Galoob

GC3C-JA9W

Infinite Jump by Fanat

ABXW-JAAG

Infinite Lives by VisitntX

D7RC-JAA6

Infinite Lives by terpsfan101

FFA6C8:0039

Infinite Mega Plasma Ammo by terpsfan101

AVSW-JA9E

Infinite Mega Plasma Ammo by terpsfan101

FFFDED:0009

Infinite Super Plasma Shots by Abstract

FFFDED:0009

Invincibility/Note by VisitntX

A4GC-JN5C
ACFC-JR9G
ACGC-JN6N

Invincibility/Note by Mezmorize

24B3F2:602E
24B43E:0000

Invincibility/Note by Mezmorize

2475D0:00FF
2475D4:A6AA
2475D6:6004

Invincibility by Fanat

R02C-J6WC
R04C-J6WE
R03W-J61Y
R0EC-L61G

Invincibility by terpsfan101

ACFC-JA9G
G4FC-JCHJ
RGGC-J6XC

Invincibility (blinking) by terpsfan101

FFFD28:0010

Invisible/Cannot Be Hit/Note by Rune

FFFD28:0042

Invulnerable by Rune

FFFBFE:0034

Jim Is Invisible by Mezmorize

248AEC:6000

Moon Jump/Note by nolberto82

AKXC-JA94
AKXW-JA2G
RFXW-J6VA
AKXW-JA32
AKXW-JA4T

No air loss in Sea Pod by Galoob

CT3W-LA9T

No damage to Sea Pod from running into walls by Galoob

J4BW-LA4Y

Pause the game and press A to enter the debug menu by terpsfan101

FF9942:4410
FF9944:1040
FF9946:4810
FF9948:0010

Pause the game and press any button to enter the debug menu by Tony Hedstrom

AG6C-JAFE
AC6C-JAGN
AW6C-JA8T

Pause the game and press any button to enter the debug menu by terpsfan101

AC6C-JA7L
H46C-K8FN

Pause the game and press any buttons 8 times to enter the debug menu/Note by Tony Hedstrom

AW6C-JA8T

Pause the game and press Left + A together to enter the debug menu by Tony Hedstrom

AG6C-JAFE
AC6C-JAGN

Plasma gun power-ups worth 100 by Galoob

NT1W-LAC8

Plasma gun power-ups worth 1000 by Galoob

7A1W-LGC8

Plasma gun power-ups worth 300 by Galoob

FT1W-LCC8

Plasma gun power-ups worth 500 by Galoob

8T1W-LCC8

Plasma gun power-ups worth 750 by Galoob

721W-LEC8

Regional lockout bypass code. It doesn't require a master code/Note by Chemist

AJBT-BA3E

Start with 1 life on Difficult level by Galoob

GG3C-JABL

Start with 1 life on Normal level by Galoob

GG3C-JAA6

Start with 1 life on Practice level by Galoob

GG3C-JAAR

Start with 150% health/Note by Galoob

G03W-JAGA

Start with 1500 Plasma shots (1st life only) by Galoob

G02W-JAH4

Start with 1500 Plasma shots (After 1st life) by Galoob

GZRC-KCME

Start with 2 lives on Normal level by Galoob

GL3C-JAA6

Start with 200% health by Galoob

GL3W-JAF6

Start with 2000 Plasma shots (1st life only) by Galoob

GL2W-JAH0

Start with 2000 Plasma shots (After 1st life) by Galoob

GBRC-KEME

Start with 3 continues on Normal level by Galoob

AP5C-JAE2

Start with 3 lives on Difficult level by Galoob

GR3C-JABL

Start with 3 lives on Practice level by Galoob

GR3C-JAAR

Start with 300% health by Galoob

GR3W-JAF6

Start with 3000 Plasma shots (1st life only) by Galoob

GR2W-JAH0

Start with 3000 Plasma shots (After 1st life) by Galoob

GBRC-KGME

Start with 400% health by Galoob

GW3W-JAF6

Start with 5 continues on Normal level by Galoob

AZ5C-JAE2

Start with 5 lives on Difficult level by Galoob

G03C-JABL

Start with 5 lives on Normal level by Galoob

G03C-JAA6

Start with 500% health by Galoob

G03W-JAF6

Start with 5000 Plasma shots (1st life only) by Galoob

G02W-JAH0

Start with 5000 Plasma shots (After 1st life) by Galoob

GBRC-KLME

Start with 7 continues on Normal level by Galoob

A75C-JAE2

Start with 7 lives on Difficult level by Galoob

G83C-JABL

Start with 7 lives on Normal level by Galoob

G83C-JAA6

Start with 7 lives on Practice level by Galoob

G83C-JAAR

Start with 700% health by Galoob

G83W-JAF6

Start with 7000 Plasma shots (1st life only) by Galoob

G82W-JAH0

Start with 7000 Plasma shots (After 1st life) by Galoob

GBRC-KRME

Start with 9 continues on Normal level by Galoob

BF5C-JAE2

Start with 9 lives on Difficult level by Galoob

HG3C-JABL

Start with 9 lives on Normal level by Galoob

HG3C-JAA6

Start with 9 lives on Practice level by Galoob

HG3C-JAAR

Start with 900% health by Galoob

HG3W-JAF6

Start with 9000 Plasma shots (1st life only) by Galoob

HG2W-JAH0

Start with 9000 Plasma shots (After 1st life) by Galoob

GBRC-KWME

Super High Jump by Tony Hedstrom

43XW-JAA4

Vibrating Life Symbol by Rune

FFFD16:001C

Walk Thru Walls by Mezmorize

249C74:6000