The ROM (Read-Only Memory) of Mario and Luigi: Brothership is a digital copy of the game's data, which can be played on a GBA emulator or on a physical GBA console using a flash cartridge.

Brothership evolves the classic RPG formula with several modern additions:

The game follows the adventures of Mario and Luigi, the famous Italian-American brothers, as they travel through the Mushroom Kingdom. The gameplay involves exploring various locations, battling enemies, and interacting with non-playable characters (NPCs).

For those using the ROM, several mods have been developed to enhance the experience:

Users have successfully run the ROM on emulators like Ryujinx and Yuzu , with some achieving 4K resolution at 60 or even 120 FPS through community mods.