There are two main repositories for 3DS save files:

If you have hundreds of saves, managing them on the 3DS screen can be slow.

Using save files on games you legally own falls into a gray area but is generally tolerated in the homebrew community.

Certain games (like Animal Crossing: New Leaf or Pokémon titles) use a built-in anti-cheat mechanism called a "secure value." If the game detects that the save file does not match the console's internal ID, it will delete the data.

If you're building a "Best of" collection, these titles are frequently cited as must-haves: Pokémon Ultra Sun/Moon

Complete save files bypass repetitive grinding and unlock hidden content immediately. They are perfect for testing endgame content, hosting multiplayer matches with all features unlocked, or recovering lost progress. Essential Prerequisites

Open your web browser and locate a reputable 3DS save file database.

As of 2026, the 3DS scene has evolved. Many older, popular repositories for save files have become outdated or gone offline.

You can name your backups whatever you want (e.g., "100_Percent_Clear", "New_Game_Playthrough").