For homebrew/NFC emulation (e.g., using an Android phone + TagMo or a Proxmark3):
Costume Unlock Rule:
First scan = permanent costume added to the wardrobe. Subsequent scans = coins or heart power-ups (once per day per Amiibo).
At its core, an Amiibo is a Near Field Communication (NFC) tag embedded inside a plastic figurine. Each tag contains a small amount of encrypted data—this is the "bin file" (binary file). When you tap an Amiibo to your Switch’s right Joy-Con or Pro Controller, the console reads the .bin file to identify which character it is and unlocks specific content.
An Amiibo bin file is a digital copy of that data, stripped away from the physical toy. For Super Mario Odyssey, these files come in two main flavors: mario odyssey amiibo bin files
For Odyssey, most users are interested in read-only character bin files to unlock costumes and hearts.
If you open a typical Amiibo .bin file in a hex editor (like HxD), you’ll see a structured layout:
For Super Mario Odyssey, the game data block stores: For homebrew/NFC emulation (e
If you download a bin file that someone else dumped after they already unlocked the costume, that file will not give you the costume when you write it to a blank tag. Why? Because the “costume unlocked” flag is already set to true inside the save data block.
Critical tip for bin file users: You must find “virgin” or “unused” bin files (or reset the save data using tools like
TagMoorAmiiboAPI’s reset function) to get the costume unlock.
Amiibo are NFC-enabled figurines and cards produced by Nintendo. Each Amiibo contains a NTAG215 RFID chip storing encrypted save data, unique identifiers, and a digital signature. A .bin file is a raw binary dump of this chip’s memory (typically 540 bytes for NTAG215). Costume Unlock Rule: First scan = permanent costume
In Super Mario Odyssey, scanning compatible Amiibo unlocks:
The game does not write significant save data to the Amiibo (unlike Smash Bros.), but it reads the Amiibo’s UID, character ID, and game-specific data.
Here is the ultimate power-user strategy using these digital files: