Super Mario Brothers DX (Game Boy)

GameShark and Pro Action Replay Codes

Note:
A GameShark or Pro Action Replay cartridge is required to use the codes featured below.

North American version

Fly:
0102C1C1

Have Star:
9001DBC
All codes above from and222.

Official codes from InterAct.
Codes from The Game Shark Code Creator's Club.

European and Australian versions

99 lives:
01637FC1

99 coins:
0163F2C1

Reset timer to 511:
01FF7DC1

Become Big Mario:
0101C5C1