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How do I use the website with my Wii U?
Unfortunately there is currently no easy solution for Wii U. However you can export your Super Mario Maker save file with the Homebrew app Saviine.
You can then use Cemu SMMDB to edit your save save file and reimport it to your Wii U with the Homebrew app Loadiine.
How do I use the website with my 3DS?
You need Homebrew on your 3DS. You also need the Homebrew app OCDM. We also recommend using Multidownload++ for simple QR Code downloads.

To import courses you can simply use your 3DS to scan the QR Code provided for every course. OCDM can then import courses from your SD Card.
Exporting is also done with OCDM. Exported courses can be easily uploaded on the website, but you would need to transfer your exported course to an external device, because the website does not support the in-built 3DS web browser. You can then just upload the raw file without wrapping it in a compressed format.
How do I use the website with Cemu?
Just download Cemu SMMDB, open it and select your Super Mario Maker save folder. It is contained in your Cemu folder under \mlc01\emulatorSave\#saveID#. You get your saveID by starting Super Mario Maker with Cemu. It is then displayed on the bordered window, but typically it is 44fc5929.
Downloading with Cemu SMMDB is self explaining. To upload a course you would have to navigate to your Super Mario Maker save folder and compress the respective course folder (named course###) in any compressible format.

If you prefer a video, one of our users made a tutorial.
What is Super Mario 64 Maker (SM64M)?
SM64M is a popular Super Mario 64 ROM hack by Kaze. You can basically create your own level in Super Mario 64 with 3D building blocks and enemies.
How do I use the website with SM64M?
For a basic tutorial on how to use SM64M in general, watch this video.
You use save states in your emulator to save your current course. You can then just upload the zip file containing the save state.
Downloaded courses can be loaded with the emulator's load state function.
What is Net64 and what is Net64+?
Net64 (formerly SM64O) is an open sourced program to play Super Mario 64 online multiplayer. There are various people involved in the project, most notably Kaze, who is known for Last Impact and his great influence in the SM64 ROM hacking scene. Some wouldn't call Net64 a ROM hack, but in fact it works the same as a ROM hack except that its source gets injected into RAM rather than modifying a ROM before playing. This makes it safe to distribute and not be a victim of Nintendo shutting it down.
Net64+ is a modified version of Net64. It uses a different and more performant networking technique. Right now both programs are not compatible with each other, but the client devs are working it. Net64+ also has a dedicated server software, which makes it extremely easy to host or find servers. There is a server list integrated inside the client, so you will always immediately find servers to play on.
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