As of now, Nintendo has not issued a takedown. However, the developers recommend not streaming the game under real names or using “Mario” in video titles that could attract unwanted attention.

Have you successfully joined a recent Mario Multiverse closed beta wave? Share your experience (safely) in the comments below—but remember: no sharing of direct download links per the developers’ rules.

The Mario Multiverse closed beta by developer Neoarcturus is not publicly available, though a public demo with pre-made levels was released, according to YouTube reports. Access to the full, ongoing project remains restricted to authorized testers, often sourced through the creator's community channels. For more details and to view the public demo, visit the YouTube video at Youtube .