Game guide
Mario Tennis Fever
Mario Tennis Fever is an arcade tennis game developed by Camelot Software Planning and published by Nintendo exclusively for the Nintendo Switch 2. It launched worldwide on Thursday, February 12, 2026, timed to Super Mario's 40th anniversary, and is the first Mario sports title built for the system. Its signature twist is the Fever Racket: players charge a Fever Gauge during rallies, then unleash powerful Fever Shots, with 30 different rackets and a 38-character roster spread across modes including Tournament, Swing Mode, Mix It Up, Trial Towers, a single-player Adventure mode, and online play.
- Developer
- Camelot Software Planning
- Publisher
- Nintendo
- Released
- Thursday, February 12, 2026
- Platforms
- Nintendo Switch 2
Guides & data
Everything people search about Mario Tennis Fever — each answer verified against primary sources.
Mario Tennis Fever — frequently asked
When did Mario Tennis Fever come out?
It released worldwide on Thursday, February 12, 2026, exclusively for Nintendo Switch 2, timed to Super Mario's 40th anniversary.
What platforms is Mario Tennis Fever on?
It is a Nintendo Switch 2 exclusive. There is no original Nintendo Switch, PC, PlayStation, or Xbox version.
Do I need Nintendo Switch Online to play?
Only for online matches. A Nintendo Switch Online membership (sold separately) is required for casual Online Rooms and competitive Ranked play. You do not need NSO for the single-player Adventure mode or for local multiplayer.
Does Mario Tennis Fever have local multiplayer?
Yes. Up to four players can play on a single Switch 2 (each with a controller), and you can also link nearby consoles over local wireless. No online membership is needed for local play.
How many characters are in Mario Tennis Fever?
There are 38 playable characters — around 18 available from the start and about 20 more unlocked by playing matches, tournaments, and challenges. It is the largest roster in the Mario Tennis series to date, paired with 30 Fever Rackets.
Sources
- Mario Tennis Fever — official Nintendo store page (US)
- How to Start a Multiplayer Game (Mario Tennis Fever) — Nintendo Support
- Nintendo eShop file-size round-up, Feb 8 2026 — GoNintendo
- Nintendo Switch 2 and Switch file sizes (Mario Tennis Fever) — Nintendo Everything
- Full Character List: Every Playable Character — Nintendo Life
- HowLongToBeat — Mario Tennis Fever (avg 5.5h / 14.5h completionist)
- Is Mario Tennis Fever Local Multiplayer? How 1-4 Players Work — The Game Haus
- How to Unlock All 38 Playable Characters — Game Rant
- Last verified: July 24, 2026. Sizes and specs can change with patches — tell us if something is out of date.