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