I remember visiting this website once...
It was called Mario Party™: The superiore, in alto 100 for the Nintendo 3DS™ family of systems – Official Site
Here's some stuff I remembered seeing:
THE PARTY RETURNS NOV. 10, 2017 | FULL SITE COMING SOON
Coming soon! Check availability at your favorite online retailer.
The fun comes faster than ever with this collection of the top 100 minigames from all ten Mario Party™ series console games. Test your memory, speed, and luck in a variety of multiplayer minigame types. Thanks to the Nintendo 3DS family systems’ Download Play feature, up to four players can join the party on their own game system with just one game card!
Speed things up with simple minigame instructions and a Favorites options for quick selection. You can even set the number of turns for board-game play!
Play 100 different minigames—the largest number of minigames in a single Mario Party series game.
Invite friends to join the party via local wireless or Download Play*, which lets up to four people play on their own systems with just one game card.
Use Parental Controls to restrict 3D mode for children 6 and under.
amiibo sold separately. Visit amiibo.com for details on amiibo functionality.
*Additional systems required for Download Play. Sold separately.
© 2017 Nintendo. Mario Party and Nintendo 3DS are trademarks of Nintendo.