Fungi Fever! (キノコにご用心！ ス"マッシュ"トーナメント, Beware of Mushrooms! S"mash" Tournament) was an Event Tourney that ran from 6 a.m. on December 11, 2020 to 6 a.m. on December 14, 2020 (UTC), and was repeated from 6 a.m. on February 18, 2022 to 6 a.m. on February 21, 2022 (UTC), and was repeated again from 6 a.m. on February 17, 2023 to 6 a.m. on February 20, 2023 (UTC). During the event, mushroom items appear.
- Three types of fungi will feature in this time-limited tourney!
- They could make you larger, smaller, reverse your controls... Stay cool—there's not mushroom for error!
- Three species of fungi will feature in this time-limited tourney! They could make you larger, smaller, reverse your controls... Stay cool, because there's not mushroom for error!
Names in other languages
- This is the only online tourney that only allows certain items to appear not to feature the Smash Ball.
- The French and Italian names for this event reference Mycology, the biological study of fungi.