To participate, simply download the free Global Testpunch demo in Nintendo eShop on Nintendo Switch before the trials begin.
Nintendo announced a “Global Testpunch” demo, three new characters, free post-launch updates, and more for Arms during an Arms-focused Nintendo Direct live stream today.
The Arms Global Testpunch application will be available as a free download on the Nintendo eShop before the demo begins.
The Global Testpunch demo will be accessible on May 26 (North America-only), May 27, May 28, June 2 (North America-only), June 3, and June 4.