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Mario Tennis Fever 1.0.3 update

Mario Tennis Fever players can now access the latest update as version 1.0.3 just released.

According to Nintendo, the “strengthened countermeasures and readjusted the timing of when rankings are adjusted to address a bug”. Apparently that’s all that’s included here.

In any case, below is the official notice:

Mario Tennis Fever 1.0.2 update

Nintendo and Camelot just sent out a new version 1.0.2 update for Mario Tennis Fever.

Many different balance adjustments are available. Aside from making changes to characters, some Fever Rackets have been impacted. There are a few other tidbits to the patch as well.

Here’s the full rundown:

Mario Tennis Fever review

System: Switch 2
Release date: February 12, 2026
Developer: Camelot
Publisher: Nintendo

In many ways other than the obvious, Switch 2 has marked a new era of sorts for Nintendo. The Switch generation, while no doubt one of the company’s greatest, had its fair share of flaws – and one of those flaws was its lackluster sports games. Time and time again, we saw Nintendo-published sports outings launch with minimal content, receive free updates for a few months, and then fizzle out and fade from conversation. This issue reached a boiling point with Mario Strikers: Battle League, which had solid core gameplay, but next to no content to speak of. Mario sports have been pretty quiet since then, but now we’ve got another new entry in the Mario Tennis series with Mario Tennis Fever on Nintendo Switch 2. This title promises all sorts of chaotic tennis action, and it most certainly delivers on that promise. But how does it hold up in other areas?

Thanks to Nintendo, we have the launch trailer for Mario Tennis Fever. The sports game makes its worldwide debut today.

For a refresher on the game, read the following overview:

Mario Tennis Fever 1.0.1 update

Many games have day-one updates these days, and that’s the case with Mario Tennis Fever and version 1.0.1.

This seems to be a pretty small patch. Nothing new is added, but Nintendo says that gameplay has been improved.

The official rundown is as follows:

Mario Tennis Fever opening movie

Nintendo and Camelot have just released the opening movie for Mario Tennis Fever. This will display right when players boot up the game.

For details about the title, read the following overview:

Mario Tennis Fever characters

Nintendo has now confirmed the entire Mario Tennis Fever roster, and we have the full list of characters.

When the game was first revealed last year, we heard that this would be the most-packed entry in the series. That applies to elements like the modes, but also the roster. And now thanks to today’s trailer, we know of everyone planned for the title.

Nintendo has come out with a brand new overview trailer for Mario Tennis Fever.

Much of what we see here was initially covered as part of the initial reveal. Various aspects are explored in detail though, including amiibo support. In Mario Tennis Fever.

Bowser Jr., Bowser, Mario, Luigi, Peach, Rosalina, Yoshi, Waluigi, Wario, Toad, Daisy, and Donkey Kong are all compatible figures. Scan one of these amiibo in Mario Tennis Fever to use a tennis ball with the design based on the character.

Here’s the latest information about the game:

Mario Tennis Fever boxart

Following today’s announcement, Nintendo has passed along the boxart for Mario Tennis Fever. A set of screenshots are also in.

For those that missed the news, here’s what to expect from the game:

Mario Tennis Fever.jpg

Mario Tennis Fever is in the works for Nintendo Switch 2, it’s just been announced. The game launches on February 12, 2025.

38 playable characters will be included, which is the most in series history. There’ll be a Tournament Mode, the Trial Towers Mode, Mix It Up Mode (with Wonder Effects from Super Mario Bros. Wonder), and online support. You can also swing your Joy-Con like a racket in another mode. On top of that, a story mode is included in which Mario and the rest of the gang are transformed into babies.

Here’s what Nintendo is saying about the game thus far:


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