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Attack of the Tetriminos!

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Attack of the Tetriminos! (テトリミノ来襲! TETRIS SMASH, Tetrimino Invasion! TETRIS SMASH) was a Spirit Board event focused on spirits from the Tetris series, which featured Tetriminos as spirits. It ran from 6 a.m on October 25, 2019 to 6 a.m. on October 30, 2019 (UTC). During the event, defeating Spirits on the Spirit Board which were part of the event awarded more Gold than usual.


Five new spirits from TETRIS 99 will descend ominously to the Spirit Board!
Defeat them in battle to earn more gold than usual.
Tetris® and the Tetrimino shapes are trademarks of Tetris Holding, used with permission.[1]

Randomly appearing spirits[edit]

Spirit Battle parameters
No. Image Name Series Enemy Fighter(s) Type Power Stage Rules Conditions Music
I Block Spirit.png
I-Tetrimino Tetris Series Corrin Team (CorrinHeadBlueSSBU.png) (×3)
9,900 75m (Ω form) Assist Trophy Enemies (Color TV-Game 15) •Hostile assist trophies will appear
•The enemy favors down air attacks.
•Only certain Pokémon will emerge from Poké Balls (Deoxys)
Tetris: Type A
T Block Spirit.png
T-Tetrimino Tetris Series R.O.B. ROBHeadPurpleSSBU.png
4,400 Flat Zone X (Battlefield form) Assist Trophy Enemies (Hammer Bro)
•Hazard: Screen Flip
•The screen will suddenly flip
•Hostile assist trophies will appear
•The enemy favors down smash attacks
Chill (Brawl)
Z Block Spirit.png
S-Tetrimino & Z-Tetrimino Tetris Series Zero Suit Samus ZeroSuitSamusHeadRedSSBU.png
Samus SamusHeadGreenSSBU.png
4,300 Mushroom Kingdom U (Slide Life Tower) •Sudden Final Smash
•Item: Screw Attack
•The enemy will suddenly have a Final Smash Chill (for 3DS / Wii U)
L Block Spirit.png
L-Tetrimino & J-Tetrimino Tetris Series Luigi LuigiHeadOrangeSSBU.png
3,700 Mario Bros. (Battlefield form) •Hazard: Left Is Right, Right Is Left
Assist Trophy Enemies (Waluigi)
•Left and right controls will suddenly reverse after a little while
•Hostile assist trophies will appear
O Block Spirit.png
O-Tetrimino Tetris Series Kirby KirbyHeadYellowSSBU.png
2,000 Mushroomy Kingdom Assist Trophy Enemies (Thwomp)
•Item: POW Block
•Hostile assist trophies will appear
•The enemy prefers down specials in the air
Tetris: Type B


  • The correct plural of tetromino in a mathematical context is "tetrominoes", but the Tetris franchise refers to them as "tetriminos" instead, making the event's title grammatically incorrect but correct in relation to the Tetris universe.
  • Attack of the Tetriminos! is the first Spirit Board event released after the version 4.0.0 update to be followed by another Spirit Board event rather than an Event Tourney.
  • Attack of the Tetriminos! is the first Spirit Board event based on a non-playable universe to come with more than 4 new spirits.