Metroid II (W) - GB - GG
Sidenote: Stuff between brackets is part of the code name, not the code note.
Enemy codes
Enemies Look Frozen, Backwards, And/Or Upside Down (Does not actually freeze enemies, just uses the frozen palette. Also allows you to see what mutated metroids would look like frozen, which normally isn't possible to see.)
AAA-A7A
Enemies Use The Wrong Graphics
AAA-A6A
Small Enemy [And Item] Graphics (Missile Doors will be invisible. Makes enemies and powerups use only a small section of their graphic, including metroids.)
AAA-97A
Enemies Are Invisible [But Can Still Hurt You] (Enemies don't seem to drop missiles or energy at all.)
AAA-9CA
Enemies Are Invincible [Except For Metroids] (Turn on after selecting save file. Will auto select save file if turned on at title screen. Some enemies, including some metroids, appear in the wrong place within a room.)
AA2-4AB
Enemies Frozen In Place And Invincible (Turn off to kill metroids.)
AA0-ABB
Music codes (playable)
No Music
AA5-AAB
Music Remix, Some Instruments Don't Play
AAA-AAB
Extremely Slow/Ambient Music
BBB-BBB
Music codes (unplayable)
Music Slowdown Remix [Graphics Messed Up] (Turn on when the music you want to hear remixed is playing, as this is
completely unplayable. Or load a save game where the music you want is playing.)
BBB-6BB
Music Remix [Samus Not Shown] (Turn on when the music you want to hear remixed is playing, as this is mostly unplayable. Or load a save game where the music you want is playing. Turning off might speed up music?)
BBB-7BB
Sidenote: Stuff between brackets is part of the code name, not the code note.
Enemy codes
Enemies Look Frozen, Backwards, And/Or Upside Down (Does not actually freeze enemies, just uses the frozen palette. Also allows you to see what mutated metroids would look like frozen, which normally isn't possible to see.)
AAA-A7A
Enemies Use The Wrong Graphics
AAA-A6A
Small Enemy [And Item] Graphics (Missile Doors will be invisible. Makes enemies and powerups use only a small section of their graphic, including metroids.)
AAA-97A
Enemies Are Invisible [But Can Still Hurt You] (Enemies don't seem to drop missiles or energy at all.)
AAA-9CA
Enemies Are Invincible [Except For Metroids] (Turn on after selecting save file. Will auto select save file if turned on at title screen. Some enemies, including some metroids, appear in the wrong place within a room.)
AA2-4AB
Enemies Frozen In Place And Invincible (Turn off to kill metroids.)
AA0-ABB
Music codes (playable)
No Music
AA5-AAB
Music Remix, Some Instruments Don't Play
AAA-AAB
Extremely Slow/Ambient Music
BBB-BBB
Music codes (unplayable)
Music Slowdown Remix [Graphics Messed Up] (Turn on when the music you want to hear remixed is playing, as this is
completely unplayable. Or load a save game where the music you want is playing.)
BBB-6BB
Music Remix [Samus Not Shown] (Turn on when the music you want to hear remixed is playing, as this is mostly unplayable. Or load a save game where the music you want is playing. Turning off might speed up music?)
BBB-7BB

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