Action Replay Codes [US]

The following are known Action Replay Codes for Metroid: Zero Mission on Nintendo Game Boy Advance (GBA).
These codes were also known as GameShark Codes and in most cases will work on both devices.

These codes are for the U.S. version of the game.

Master Code – Must Be On
d925cbb3
457d65d3
b6fa891b
dc4362a9

Have All Extras Unlocked
3e36528f
9c8585f2

Have All Weapons & Bombs
2a78e597
6edeacb7

Have All Suits & Misc Items
07268fae
26d2f696

Invincibility
7b1f1183
0a99a175

Max Health
a2fe6a98
e1bf858a

Infinite Health
40138275
1cef5c04

Max Missiles
ef5591c4
96ef829f

Infinite Missiles
56b8177f
5e5fb2a2

Max Super Missiles
021957c8
81db0ac3

Infinite Super Missiles
22cf39bf
6d1d9940

Max Power Bombs
fceade53
78e11c69

Infinite Power Bombs
700e2024
1b725001

No Suit
ac1c686b
69b7a733

CodeBreaker Codes [EU]

The following are known CodeBreaker Codes for Metroid: Zero Mission on Nintendo Game Boy Advance (GBA).

The codes should work with the region specified but may work for other regions as well.

• Enable Code (Must Be On)
  0000DFAD 000A
  100009C0 0007

Have Weapon Codes

• Long Beam
  2300153C 0101
• Ice Beam
  2300153C 0202
• Wave Beam
  2300153C 0404
• Unknown Weapon (Plasma)
  2300153C 0808
• Charge Beam
  2300153C 1010
• Bombs/Power Bombs
  2300153C 8080
• All Weapons & Bombs
  8300153C 9F9F

Have Suits & Misc Codes

• Enable Unknown Items & Gravity Suit 1
  83001542 0001
• Play As Samus With No Suit 2
  83001542 0002
• Morph Ball
  2300153E 4040
• Hi Jump Boots
  2300153E 0101
• Speed Booster
  2300153E 0202
• Unknown Misc Item (Space Jump)
  2300153E 0404
• Screw Attack
  2300153E 0808
• Power Grip
  2300153E 8080
• Varia Suit
  2300153E 1010
• Unknown Suit (Gravity Suit)
  2300153E 2020
• All Suits & Misc Items
  8300153E FFFF
• Max Health
  83001530 0513
• Infinite Health
  83001536 0513
• Max Missiles
  83001532 03E7
• Infinite Missiles
  83001538 03E7
• Max Super Missiles
  33001534 00C7
• Infinite Super Missiles
  3300153A 00C7
• Max Power Bombs
  33001535 0063
• Infinite Power Bombs
  3300153B 0063
• Walk Thru Walls 3
  74000130 02EF
  E30013E6 001E
  74000130 01DF
  E30013E6 FFE2
• Press Up+A To Jump Thru Ceilings
  74000130 03BE
  E30013E8 FFE2
• Fall Thru Floors 4
  74000130 007F
  E30013E8 001E
• Mega Jump
  74000130 03FE
  E30013EC 0009
• Super Dash Sooner
  730013DE 0001
  830013DE 00A0
• Super Dash Always Charged
  330013DC 0077

Footnotes

• Do not use it with the Play As Samus With No Suit code on.
• Do not use it with the Enable Unknown Items & Gravity Suit code on.
• Hold L+R, then Press Left or Right.
• Hold L+R, then Press Down.

Always Shot Modifier Codes

Only use one of these codes at a time.
• Always Shoot Charged Shots & Misc Codes
  73000A30 8448
  83000A30 8490
  73000A30 8478
  83000A30 84C0
  73000A30 8460
  83000A30 84A8
  73000A3A 0102
  83000A3A 0702
• Shoot Missiles Instead Of Regular Shots
  83000A3A 0C02
• Shoot Super Missiles Instead Of Regular Shots
  83000A3A 0D02
• Shoot Power Bombs Instead Of Regular Shots
  83000A3A 0F02
• Translate Most Of Game To Japanese!
  33000C4F 0001
• Unlock Hard Mode & Time Attack
  83000C4C FFFF
  33000C4E 0001
  83000C50 0101
• Press Select For Room Modifier (In Tubes)
  74000130 03FB
  33000056 00??
• Press Select For Area Modifier (In Tubes) 1
  74000130 03FB
  33000054 00??
• Stop Annoying Beeping When Life Is Low
  33001541 0000
• Have All Scanned Maps 2
  33001540 00FF
• Unlock Gallery
  83000014 0001
• Unlock Fusion Gallery
  83000016 0001
• Unlock Original Metroid+Sound Test
  83000018 0004
• Shoot Charged Pistol Shots
  73001542 0002
  83000A3A 0B02
• Time To Escape
  8300095E 0000
• Unlock Time & Item Status (Map Screen)
  33000024 0001
• 100% Completion Rate
  3300175D 0064
• Always Get Best Ending
  3300175C 0063
• No Alarm Stealth Mission
  830056EC 0000
  830001A8 0000
• Most Enemies Don’t Attack Or Move (Press Select)
  74000130 03FB
  430001A4 00FF
  00000007 0038
• Invincible
  830013DA 0001
• 0 Game Time
  83000150 0000
  83000152 0000
• Music Modifier 3
  73001D1C 00??
  83001D20 0100
  83001D22 00??

Footnotes

• 00 – Brinstar
  01 – Kraid
  02 – Norfair
  03 – Ridley
  04 – Tourian
  05 – Crateria
  06 – Chozodia
• For some reason, when you open the map menu, the current map your on will not appear scanned at all. Just toggle (Press Select) through the maps to make that map complete. ALso you’ll have to do this again if close and reopen the map.
• 00 – No Music
  01 – Brinstar
  02 – Title Screen
  03 – Save
  04 – Unknown
  05 – Ancient Smusic?
  06 – Norfair
  07 – Kraid
  08 – Escape Music
  09 – Original Metroid Title Screen
  0A – Unknown
  0B – Tourian (After Beating Mother Brain)
  0E – Chozo Ruins
  12 – Same Has 5
  14 – Ending? Cutscene Number 1
  19 – Samus’s Theme Music
  1A – True Ending Part 1
  1B – Credits
  41 – Ridley Boss Music 1
  43 – Final Battle?
  45 – Spotted
  46 – Chozodia
  48 – Mother Brain
  49 – Infiltrate
  4A – Weapons Upgrade
  4B – Ridleys Boss Music 2
  4D – Ridleys Boss Music 3

Original Metroid Codes

• Infinite Health
  83007306 6999
• Max Health
  3203C877 0006
• Max Missiles
  3203C879 00FF
• Infinite Missiles
  3203C879 00FF
• Press A For Moon Jump
  74000130 03FE
  83007508 00FC
• Have All Upgrades (Freeze Gun, Screw Attack, Etc.)
  3203C878 00FF
• Infinite Escape Time
  8300730A 9999
• Reset Game Timer
  3203C87D 0000
  8203C87E 0000
• Play Without Suit
  3203C9B3 0001