Can two people play fitness ring adventure together?

You can't.

Ring Fit Adventure is a fitness game released by Nintendo and a role-playing game on the platform of Nintendo Switch. The game supports simplified Chinese, including Chinese pronunciation. It will be on sale on 20th/KOOC-0/9th/KOOC-0/0th/10th/KOOC-0/8th at the price of 79.99 USD /7980 JPY plus tax.

2020-08-06 "Great Adventure in Fitness Circle" has been approved by the game version number of the State Bank. The price of Bank of China is 499 yuan. It will be released on September 3, 2020.

This is a fitness game. Players can put Joy-Con on NS into the "Ring-Con" and the leg strap that comes with the game to recognize their movements and take risks in the game while exercising.

60 kinds of fitness can be realized in the game, and records can be uploaded to compete with players all over the world. By the end of July 2020, the global sales of the game had exceeded 4 million copies.