Metal Storm Action Replay Codes (USA)

This page contains the Action Replay codes that I have available for Metal Storm (USA), a game for the original NES (Nintendo Entertainment System). If you're playing on an emulator, you'll typically be able to put these codes into the program through a built in option. Anyone who is really old school and playing on a physical console will have to purchase a physical Action Replay device to use these codes.

If you don't see the code you want on this page, I recommend you return to my Metal Storm Guides Index and choose a different section.

 

Boss 1 Hit Kill: 06F0:00
Use this code when you're fighting a single boss, don't leave on during normal gameplay

Easier Shield Extension: 0619:0F
Shield will extend instantly in the direction you want

Have Gravity Fireball: 043C:80

Have Gravity Fireball: 043C:28

Have Plasma Beam Gun Upgrade: 0718:80

Have Plasma Beam Gun Upgrade: 0718:28

Have Shield Force: 0717:80

Have Shield Force: 0717:28

Infinite Lives: 0716:09

Infinite Time (Left Digit): 0056:??

Infinite Time (Middle Digit): 0055:??

Infinite Time (Right Digit): 0054:??

Infinite Time [Left Digit]: 0056:??

Infinite Time [Middle Digit]: 0055:??

Infinite Time [Right Digit]: 0054:??

Level Modifier: 0051:??

Regular Gun Fires Through Most Walls: 04E2:80
It doesn't shoot through orange blocks, but it'll shoot through most other walls

Shield Position Modifier: 043E:??

Stage 1 Boss is Always Vulnerable: 0646:80

Stage 3 Boss is always Vulnerable: 0615:02
Also works on part of the Stage 6 Boss

Stage 5 Boss Attack Modifier: 06F1:??

Walk Through Enemies: 074B:25
Activates after the first hit, some things can still damage you.

Shield Position Modifier - Up: 043E:10
You can use the shield position modifier code to have a shield on two sides of your character at once.

Shield Position Modifier - Down: 043E:20
You can use the shield position modifier code to have a shield on two sides of your character at once.

Shield Position Modifier - Left: 043E:40
You can use the shield position modifier code to have a shield on two sides of your character at once.

Shield Position Modifier - Right: 043E:80
You can use the shield position modifier code to have a shield on two sides of your character at once.

Stage 5 Boss Attack Modifier - Diagonal Lasers: 06F1:00

Stage 5 Boss Attack Modifier - Straight Lasers: 06F1:01

Stage 5 Boss Attack Modifier - Laser Shields: 06F1:02

 

Have Armor Upgrade

0528:30
05D0:80

 

Have Armor Upgrade

0528:48
05D0:28

 

Invincible
Disable this code before a level ends otherwise you'll freeze
If you touch an enemy you'll freeze

0034:00
0648:00

 

Stage 6 Boss is Always Vulnerable

0615:02
0616:02
0617:02

 

Bosses 1 Hit Kill

05E3:00
05E4:00
05E5:00
05E6:00
05E7:00

 

Stage 2 Boss Can't Fire

050B:00
050C:00
050D:00
050E:00
050F:00

 

Max Score P1

0043:09
0044:09
0045:09
0046:09
0047:09
0048:09

 

Most Enemies & Projectiles are Stationary
This works mostly on enemies that move side to side. It will slow down other enemies drastically too.
Also effects bosses.

0568:00
0569:00
056A:00
056B:00
056C:00
056D:00
056E:00
056F:00