Mega Man Battle Network 4 - Blue Moon - Key Item ID CodeBreaker Codes (USA)
This page contains CodeBreaker cheat codes for Mega Man Battle Network 4 - Blue Moon (USA). If you're playing on an emulator you can usually input codes very easily by accessing a tab off the top of the toolbar. Anyone playing on a physical Gameboy will need to purchase a physical CodeBreaker device to use these codes.
If you're using an emulator and still can't figure out how to setup these codes, you're in luck! There's two common emulators for GBA games, the mGBA and VisualBoy Advance. Follow the link provided for the emulator you're using to be taken to a guide explaining how to get these codes working.
Don't see the code you're looking for on this page? Head on over to my Mega Man Battle Network 4 - Blue Moon (USA) Gameshark Codes and check for your code there instead!
???Data: A7DDE4910A9C
BadJoke: BBA07C879326
Big Tree: 335074C9339A
Bird: 382278CFF122
BlackKey: B7F59F048BB6
BlueKey: B3F01F0493B6
BmbShoes: BB801702130E
BootDatA: A4DFE091489C
BootDatB: AF8DE4930A0C
BordPart: 375597482B9A
BraveryM: AFAD8F168A24
C-Slider: 2C0F835A6808
CastIPCd: CCAFE8B7CC65
ChefKey: 3B201F4EB322
Comb: BC87F083490E
Comedy: 307278CDF1B2
CopyKey: B4F79B04C9B6
CrmScarf: A7DD87100A9C
CursDoll: 33701F4CB3B2
CybCanst: 277DECDDAAB0
CybCryst: A8AA0B16D024
Cyber Bat: A88A6093500C
CyberTop: A0FA6895D0B4
CybrJrky: 2F2D8F5EAA20
CybrSwrd: 3F259F4EAB22
CybSutra: ABA80F169224
DadsNote: A0FA0B14D0B4
Dance: 3775FCCDABB2
Dancer: A3D80710129C
Data1: 275DE4D92A98
Data2: 245FE0D96898
Data3: 2F0DE4DB2A08
Data4: 2C0FE0DB6808
Data5: A3F86C9592B4
DexBanr: 4B286CFFB661
DexCode: 4B286CFFB661
Dresser: 3477F8CDE9B2
Earphone: A0DA6091509C
Emotion: 33707CCDB3B2
FarmRobo: AB880712120C
FireBstr: 3B00174A330A
FireID: 235864D93298
FreePass: 2B286CDFB220
GateData: 33501748339A
GoldbgF: 23786CDDB2B0
GoldbgM: ACAFE897C824
GoodEyes: B4F7F885C9B6
GoodNose: B8A27887D126
GrasFlut: 277D8F5CAAB0
GreenKey: B0F21B04D1B6
GunDelSl: A88A0312500C
HigsbyAd: 2B280F5EB220
HigsbyKy: 282A0B5EF020
HintData: 280A60DB7008
HotelBanr: 4F2DECFFAE61
HotelPCd: C8AA68B7D465
Ice: 282A68DFF020
Ingrednt: 38221B4EF122
JetParts: 34579348699A
JomonBanr: 477DECFDAEF1
JormonCD: 34779B4CE9B2
KeyDataA: BB807483130E
KeyDataB: B8827083510E
KeyDataC: B7D5F4810B9E
KeyDataD: B4D7F081499E
KindData: 37759F4CABB2
KindnesM: 207A0B5CF0B0
LabData: AFADEC978A24
Lecture: 3755F4C92B9A
License1: B4D79300499E
License2: BF8597020B0E
License3: BC879302490E
LionKey: BCA79B06C926
MagicSel: B3F07C8593B6
Man Head: 2F0D875A2A08
MaylBanr: 407A68FDF4F1
MaylCode: C3F86CB596F5
Memo: 2B0864DB3208
MightyBL: 3B0074CB330A
Mirror: BF85F4830B0E
MissSun: 2B08075A3208
Mmbrship: 207A68DDF0B0
Mo-o-m!: 245F83586898
Moonlght: 205A03587098
NebulaCd: 30721B4CF1B2
NetFricC: C4FFE8B5CCF5
NetPassp: B0D27081519E
Otenko: AC8F8312480C
Paper: 205A60D97098
PET: A3D86491129C
Plunge: BFA5FC878B26
Politicn: A0DA0310509C
Pride: 3B207CCFB322
RcvPatch: AB886493120C
RecvrDrp: BFA59F068B26
RedKey: 3C07934A690A
RedUWear: A4DF8310489C
RoomKey: A4FF8B14C8B4
S.Sensor: 2F2DECDFAA20
Scratch: B7F5FC858BB6
Secret1: ABA86C979224
Secret2: A8AA6897D024
Secret3: A7FDEC958AB4
Secret4: A4FFE895C8B4
SharoBanr: 447FE8FDECF1
SharoCd: CFADECB78E65
Shovel: 3802134A710A
ShukoKey: 247FE8DDE8B0
Skylight: 280A035A7008
SpaceBanr: 4C2FE8FFEC61
SpacePCd: 43786CFDB6F1
SpinBlue: C7DDE4B10EDD
SpinGrn: C4DFE0B14CDD
SpinPink: C0DA60B154DD
SpinRed: C88A60B3544D
SpinWhit: C3D864B116DD
SpinYllw: CB8864B3164D
Statue: 305270C9719A
StrmKiss: 380270CB710A
StrngthM: ACAF8B16C824
Sunlight: 235807583298
Taiyohh!: 275D87582A98
Ticket: A7FD8F148AB4
TownKyDt: A3F80F1492B4
ToyPart: 3C27F8CFE922
Transmtr: B7D597000B9E
TrashKey: B8821302510E
TrophyL: B3D07481139E
TrophyM: 2C2FE8DFE820
TrophyS: AC8FE093480C
Video1: 2C2F8B5EE820
Video2: B3D01700139E
Video3: B0D21300519E
VioDance: B0F27885D1B6
VirusCln: 247F8B5CE8B0
WalshP37: AF8D87120A0C
War: BCA7F887C926
WaterGod: 3C279B4EE922
WaterGun: 30521348719A
WhiteKey: B8A21B06D126
WingPart: 3F05974A2B0A
WisdomM: 23780F5CB2B0
Wz Monkey: 3457F0C9699A
WzCat: 3F05F4CB2B0A
WzDagon: 3C07F0CB690A
YaiBanr: 482A68FFF461
YaiCode: CBA86CB79665
YelowKey: BBA01F069326
YumLandC: C7FDECB58EF5
Zombie: 3F25FCCFAB22