On Thursday, February 12, 2026, the Nintendo Switch 2 software Mario Tennis Fever was released.
This title features the series' largest selection of included modes, allowing players to enjoy tennis-themed play to their heart's content.

Mario Tennis Fever Released February 12! The Series' Most Content-Rich Wacky Tennis

On Thursday, February 12, 2026, Nintendo released the Nintendo Switch 2 software Mario Tennis Fever.
With a total of 38 familiar characters from the Super Mario series engaging in wacky tennis, this title is sure to be a hit whether playing alone or with friends.

The biggest feature of this title is the Fever Rackets.
Unleashing powerful smashes, interfering with opponents...
It is a new element that makes matches even more interesting with a variety of techniques.
The opening cinematic, which is packed with the charm of wacky tennis using various Fever Rackets, has also been released, so that is also a must-see.
Furthermore, details regarding this title can be confirmed from the official Mario Tennis Fever website.

Experience Mario Tennis Fever at Retail Stores!

Ready for tennis practice? A free demo of #MarioTennisFever is now available to try at participating Best Buy, GameStop, Target, and Walmart stores.

Learn more: https://t.co/87nSCcYaDc pic.twitter.com/3p9M4hdnNX

— Nintendo of America (@NintendoAmerica) February 6, 2026

You can play the demo version of Mario Tennis Fever at in-store trial booths set up in game departments nationwide.
Since you can try out doubles using the Fever Rackets, why not head over with friends or family?

Icon Elements for Mario Tennis Fever Are Here!

Icon parts for Mario Tennis Fever have appeared in the Platinum Point gifts that Nintendo Switch Online members can exchange.
They will be distributed weekly over four weeks until Thursday, March 12, 2026, and icon parts for all 38 characters appearing in this title will be featured, so be sure to check them out.
Icon parts can be exchanged and used from the Nintendo Switch Online app on the Nintendo Switch 2 / Nintendo Switch console itself.

Let the mayhem begin!

Play #MarioTennisFever on #NintendoSwitch2 today: https://t.co/5x0GbocR2N pic.twitter.com/kcpYMn4y9t

— Nintendo of America (@NintendoAmerica) February 12, 2026