If you are looking for the experience, you will not be disappointed. The mod transforms a 1996 single-player masterpiece into a chaotic, joyful modern party game. Whether you are playing splitscreen on your couch with three friends or hosting a 16-player race on a Discord server, this is the definitive way to play.
, allowing up to 16 players to play through the campaign together. It is an official continuation of the older sm64ex-coop, offering improved stability, modding capabilities, and a built-in mod loader. Key Features of Coop DX True Cooperative Play:
Day Night Cycle DX adds a dynamic sunrise, day, sunset, and night cycle with custom skyboxes and lighting. Major ROM Hacks: Popular full-length hacks compatible with Coop DX include: : A classic massive overhaul featuring brand-new worlds.
Using a customized engine, this ROM hack allows Player 1 (Mario) and Player 2 (Luigi) to run, jump, and explore the castle simultaneously. It is widely considered the multiplayer hack for the title due to its stability and faithful adaptation of the original physics. super mario 64 coop dx rom top
Load complete level overhauls directly within the coop engine.
native support for high refresh rates, 4K resolutions, and ultra-widescreen displays without stretching the image.
Let me know if you want me to add anything else! If you are looking for the experience, you
I know the mod itself doesn’t come with a ROM (you have to provide your own legally dumped US/EU/JP version). But I’m seeing conflicting info about which ROM base works the absolute best with the latest CoopDX builds.
: A massive community creates full-scale gameplay overhauls, custom levels, and mechanics directly readable by the client. Step-by-Step Guide: Setting Up Your Top Rom Setup
You no longer have to manually download zip files when a new patch goes live. The application contains a native that checks the master branch repository on startup, alerting you to new feature updates and installing them with a single click. Performance Settings Optimization , allowing up to 16 players to play
The does not ship with copyrighted Nintendo assets. To use it, you must provide your own legally sourced US region .z64 ROM file. 1. Download the Framework
Experience minimal lag and seamless synchronization, even on complex custom levels.
Optimized rendering ensures smooth performance even with many players on screen. 3. The Modding Ecosystem (The "DX" Advantage)
As of mid-2026, sm64coopdx remains the premier platform for multiplayer Mario due to these groundbreaking features: 1. True Online and Local Co-op