Whether you're exploring the high-tech interior of Lottacoins Island or helping out a kid with a "secondary code," here is the definitive guide to the major codes you'll need to progress and unlock hidden treasures. 1. The Lottacoins Vault (Secondary Code)

The refers to the comprehensive collection of in-game data, puzzle solutions, and gameplay mechanics found within Mario & Luigi: Brothership . Released in November 2024 for the Nintendo Switch , this entry in the long-running RPG series introduces a new world called Concordia, where players must navigate various islands to reconnect them to the central Uni-Tree . Essential Puzzle Codes