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Save file reference

Tomodachi Life: Living the Dream stores its save in three files inside the game’s save directory:

FileWhat it holds
Player.savGlobal island state owned by the player: money, inventory, progress…
Mii.savEverything related to the Miis on the island.
Map.savIsland layout: house placements, ground tiles…

All three use the same container layout, the same key hashing scheme, and the same data types. The split between files is purely organizational, the game writes them together and expects them together.

Each field reference page lists every leaf in a group with:

  • its source name (the string the game hashes),
  • its DataType.
  • the 32-bit hash actually stored in the file,
  • its documentation state, one of undocumented, partial, or documented.

See documentation coverage →