SM64 Coop DX is an online multiplayer project for the Super Mario 64 PC port that synchronizes entities across levels for up to 16 players. It is widely considered the best way to experience multiplayer SM64 due to its accessibility, built-in mod support, and improved camera controls. Key Features Multiplayer Support

: Search “sm64coopdx GitHub” — the repo has full instructions, patch files, and source code. No pre-patched ROM is provided there.

You can get the software from the Official sm64coopdx Website or the Coop Deluxe GitHub .

You need the original game data. The only fully legal methods are:

The legality of ROMs can vary by jurisdiction. Ensure you own a copy of the original game or have permission to use the ROM.

Some popular websites for downloading ROMs include: