Mario Tennis Fever

Mario Tennis Fever is a multiplayer sports game in the Mario Tennis series released worldwide for the Nintendo Switch 2 on February 12, 2026 as part of the Super Mario Bros. 40th Anniversary celebration. First announced during the September 2025 Nintendo Direct, it is the ninth installment in the Mario Tennis series, and the first Mario sports game to be released on the Nintendo Switch 2. The gameplay elements are similar to those of Mario Tennis Aces, but the game introduces new features, including Fever Rackets. Each Fever Racket has its own special abilities, creating unique effects on the court. Players can build up their Fever Gauge during rallies, allowing them to use new tactics with Fever Shots. The game incorporates elements from Super Mario Bros. Wonder in modes such as the Tournament and Mix It Up.

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