more info here : (look at the "Download the Clubhouse Games™ Guest Pass for free" section
From the website:
Play on one system
You can play dozens of games together with another person on a single Nintendo Switch system with one Joy-Con™ controller per player** or sharing the touch screen.
Play using multiple systems
You can connect with friends or family locally using your own systems to play most of the games. With just one person owning the Clubhouse Games™: 51 Worldwide Classics game, up to four people can play.
Play with others worldwide
Connect to the internet to play more than 40 games with friends online. You can also choose to get matched up with rivals from around the world. It’s your chance to show off your skills!
Mosaic Mode
In this mode, up to four players can connect locally using their own systems to allow the action to spread across screens in certain games. Place up to four systems side-by-side to build dozens of Slot Cars racetracks or turn a pond into a river for more fishing fun.
Download the Clubhouse Games™ Guest Pass for free
The free Clubhouse Games Guest Pass includes four games to play solo or with friends: Four-in-a-Row, Dominoes, President, and Slot Cars. Plus, up to four people can connect locally with a player who owns the full game*** to play all the 40+ multiplayer games.
Clubhouse Games™: 51 Worldwide Classics for Nintendo Switch - Nintendo Official Site
Play and discover 51 board games, tabletop games, and more all in one package—Clubhouse Games™: 51 Worldwide Classics. This diverse collection includes games from all over the world across multiple genres, from familiar favorites like Chess to internatio…
www.nintendo.com
From the website:
Play on one system
You can play dozens of games together with another person on a single Nintendo Switch system with one Joy-Con™ controller per player** or sharing the touch screen.
Play using multiple systems
You can connect with friends or family locally using your own systems to play most of the games. With just one person owning the Clubhouse Games™: 51 Worldwide Classics game, up to four people can play.
Play with others worldwide
Connect to the internet to play more than 40 games with friends online. You can also choose to get matched up with rivals from around the world. It’s your chance to show off your skills!
Mosaic Mode
In this mode, up to four players can connect locally using their own systems to allow the action to spread across screens in certain games. Place up to four systems side-by-side to build dozens of Slot Cars racetracks or turn a pond into a river for more fishing fun.
Download the Clubhouse Games™ Guest Pass for free
The free Clubhouse Games Guest Pass includes four games to play solo or with friends: Four-in-a-Row, Dominoes, President, and Slot Cars. Plus, up to four people can connect locally with a player who owns the full game*** to play all the 40+ multiplayer games.