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Split-arrows.svg It has been suggested that this article be split into the following: Subspace, Subspace Warp. (discuss)
This article is about the dimension in Super Mario Bros. 2. For the Subspace in Super Smash Bros. Brawl, see Subspace (Super Smash Bros. Brawl).
Princess Toadstool in Subspace from the NES version of the game

Subspace[1] (alternatively Sub-space[2][3] or Sub-Space[4]), also known as the Hidden World[5], is an alternate dimension to Subcon in Super Mario Bros. 2. In Subspace, the terrain is dark and mirrored on a single screen, which the player cannot travel beyond. Subspace can only be accessed by use of the Magical Potions (which create doors leading to the land) in Super Mario Bros. 2.

When Mario or his friends enter Subspace, they only have a few seconds to get the Mushroom that may or may not appear; it depends on where in Subspace the hero has entered. In Subspace, all items found in any available red grass are transformed into coins when the player plucks them, giving the heroes an chance of earning extra lives in the slot machine Bonus Chance at the level's end, though they can only do this for the first two visits (any still-standing grass tufts give unripe vegetables afterwards). Depending on the area, players can also collect cherries, Starmen, and POWs. Cherries and POWs do not vanish upon returning to the main level, allowing one to effectively collect/use them twice.

Within this zone, a few jars contain a Subspace Warp[6] that immediately allows the player to skip to another world, like a Warp Zone. In BS Super Mario USA, entering any jar in Subspace sends the player directly to Wart's chamber.

There are no enemies, but Phanto can follow the player into Subspace if he or she was holding the key. The player can still die by falling into a pit or drowning in quicksand. However, doing so will allow another chance to gain coins.

In the game's two remakes, the background is the same, but the level terrain is colored-in, rather than black. Additionally, in Super Mario Advance, Yoshi Eggs are hidden here after Wart is defeated.

Names in other languages[edit]

Language Name Meaning
Japanese 裏画面[7]
Back Screen
Spanish Subespacio[8] Subspace
Chinese 虚拟世界[9]
Xūnǐ Shìjiè
Virtual World



  1. ^ Super Mario Advance English instruction booklet, page 29.
  2. ^ Nintendo Power Volume 1, page 10.
  3. ^ Super Mario Bros. 2 NES instruction booklet, pages 19 and 20.
  4. ^ Nintendo Power Volume 2, page 43.
  5. ^ Super Mario Bros. 2 Inside Out, Part I. Page 6.
  6. ^ Farkas, Bart G. Super Mario Advance Official Pocket Guide. Page 105.
  7. ^ Yume Kōjō: Doki Doki Panic instruction booklet, pages 21 and 26.
  8. ^ Super Mario Advance spanish instruction booklet.
  9. ^ iQue's promotional demo play videos of Super Mario Advance and Wario Land 4. Retrieved Febuary 9, 2020.