Mega Tourney!

Mega Tourney! (, Everyone Is Huge! Giant Tournament), known as Gigantourney. During the event, the size was set to Mega for giant battles.

The event originally ran from 6 a.m. on December 20, 2019 to 6 a.m. on December 23, 2019, and was repeated on the following dates:
 * 6 a.m. on December 24, 2021 to 6 a.m. on December 27, 2021 (UTC)
 * 6 a.m. on December 23, 2022 to 6 a.m. on December 26, 2022 (UTC)
 * 6 a.m. on December 22, 2023 to 6 a.m. on December 25, 2023 (UTC)

North America

 * This time-limited tourney features Mega Smash battles where everyone is huge! Try it on for size!


 * The further you advance, the better the spirit you'll win!

PAL regions

 * This time-limited tourney features Mega Smash battles where everyone is huge! It's a whole new level of dynamic!


 * The further you advance, the better the spirit you'll win!

Rules

 * Format: Smash
 * Rules: Time
 * Time Limit: 2:30
 * FS Meter: Off
 * Items: Medium
 * Size: Mega

Trivia

 * The main image featuring giant characters in Fourside references movies where giant monsters attack cities. The specific characters chosen may also have specific references:
 * Isabelle may reference how in New Leaf, Lazy villagers may send letters claiming they dreamed of a 40 foot Isabelle destroying everything.
 * Jigglypuff references its Final Smash, Puff-Up.
 * R.O.B. references the giant version that appears in Port Town Aero Dive.
 * Pac-Man could be a reference to either the ending of ' or the movie '.
 * The French name for this event is a reference to the 1981 film .
 * Getting a transformation item that increases a character's size (i.e. Super Mushroom or a Lightning Bolt that backfires and causes a Giant transformation effect) will stack with the permanent Mega effect on players and make them grow even larger than their already supersized opponents.