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Simu Block.PNG A Simu-Block from Mario & Luigi: Partners in Time Sprite of a Simu-Block from Mario & Luigi: Superstar Saga + Bowser's Minions.

A Simu-Block[1][2] is a block found in the Mario & Luigi series. In Mario & Luigi: Superstar Saga and the remake, this half-red, half-green variety of ! Blocks always comes in pairs and must be struck simultaneously by Mario and Luigi to be activated. These blocks are usually separated by some distance and require some puzzle solving to be able to hit them both at the same time.

In Mario & Luigi: Partners in Time, they are called Simultaneous Blocks[3] and are in a quad-color scheme. They appear in either pairs or sets of four, but are always next to each other. Only one of the blocks is solid at first; the other(s) are holograms. The Mario Bros., their baby selves, or all four must strike them one after another to activate their effect.

Names in other languages[edit]

Language Name Meaning
Japanese 4人同時ブロック
4-nin Dōji Burokku
Four People Simultaneous Block
Italian Simu Blocco Simu Block


  1. ^ Mario & Luigi: Superstar Saga Nintendo Power Player's Guide, page 11
  2. ^ "Dear Mustachioed Gentlemen: The two blocks here are called Simu-Blocks. If both of these blocks are struck simultaneously, something will occur..." - Plaque in a room in Joke's End of Mario & Luigi: Superstar Saga + Bowser's Minions
  3. ^ Mario & Luigi: Partners in Time Nintendo Power Player's Guide, page 10