The Sky Dimension, or simply the "Sky", was a planned dimension in Minecraft, intended to be the opposite of the Nether. Using datapacks, a player can generate a partial recreation of the original concept.
The Sky Dimension was first announced when Notch tweeted a picture of the dimension. It was probably made to be like a "heaven," because the Nether was considered to be like a hell. The Sky Dimension was not completely confirmed until Notch released an update via Twitter stating: "And because PC Gamer made such a big deal of the Sky Dimension, I guess I'll have to finish it. Consider it confirmed."
In a live webcast on the Swedish gaming site feber.se Notch revealed that the Sky Dimension would "probably be a dream world" and that when "you go to bed there is a certain chance that you get dragged into the dream world instead. Then you will be able to do it on purpose later on."
"It didn't work so well because of how light is calculated," Jeb explained. "The Sky Dimension originally had this top down light that the Overworld has, so you get like shadows in caves and such. But performance wise, it didn't work - it was extremely slow. So we removed the sun – now everything is evenly lit unless you've got a torch."
And so the original concept of the Sky Dimension was later rebranded as "The End," a dark place fittingly referred to as the "end of the game," home to the endermen and the ender dragon, and a total conversion of the original idea.
Notch tweeted much later that a different "Skylands" dimension probably was still in the making. This version, completely separate from the End, was set to replace the original idea. However, Jeb later stated that returning the Sky Dimension was not planned and therefore is unlikely to be done.
From Java Edition 1.13, to Java Edition 1.17.1, it was possible to partially recreate the Sky Dimension through the Buffet world type. This was done by choosing the "Floating Islands" world generation option (world type after 1.16) and picking any Overworld biome (any type of Forest, Plains, Swamp, or Jungle) as the World Terrain option. This created a partial recreation of what the Sky dimension might have looked like. However, the “Floating Islands” world type was removed in 1.18.
Code for a prototype of the Sky Dimension exists in Beta 1.6, 1.7 and 1.8. Essentially, the only thing preventing it from being fully functional is the absence of a means of generating it and getting there. Using various mods, it is possible to access this currently unfinished version of the Sky Dimension.
The Sky Dimension can be accessed by modifying wr.class in beta 1.6.6, xa.class in beta 1.7.3, and acz.class in beta 1.8.1.
In this version of the Sky Dimension, the buildup of the world blocks-wise is very much like the Overworld, but it is always midday and it does not rain or snow (though cloud cover does appear as if it were raining). Like in the Overworld, there are oak trees, flowers, springs, lakes, and caves, and you can also find pumpkins, mushrooms, dungeons, iron, coal, and gold. Although uncommon, it is also possible to find sugar cane, redstone, lapis lazuli, and more rarely diamond. The only mobs that spawn in the sky dimension are chickens; no other mobs (including hostile ones and squid) spawn, except for monsters spawned by spawners in dungeons. Snow generates on surfaces above a certain altitude, similarly to mountain biomes, however, there is no weather in the Sky Dimension, so this snow is not renewable. Below the islands of the Sky Dimension is nothing but the Void and a layer of clouds.
Originally, the Sky Dimension was hidden within the region 0 (Overworld) code. However, starting in Beta 1.9 Pre-release 3, it was given its own region: Region 2, with Region 1 being the Nether. However, Sky Dimension chunks stopped spawning within its region, they would generate in the Overworld on Multiplayer servers. This is most likely due to an issue with map generation and saving causing Sky Dimension chunks to save over Overworld chunks rather than being made in their own, separate map files like the Nether does. If a world with Sky Dimension chunks is brought from multiplayer to singleplayer, the area of the chunks will always be Plains biome, even if snow generated naturally on the ground.
- The Sky Dimension is an inversion of The Nether, where as the latter is basically a large cave with monsters and a massive open space within, the former are peaceful floating islands spawn surrounded by open space. The Nether may also be thought of as being a hell with The Sky Dimension being a heaven; although the hazards present in each dimension are similar, falling from the sky dimension is just as lethal as falling from a cliff into the lava ocean in the Nether.
- The Sky Dimension, similar to the Nether, has weather disabled. This is likely explained by the fact that it is above the clouds.
- Far Lands do generate in the Sky Dimension, but the way they generate looks completely different to the Overworld Far Lands.
The first released screenshots of the Sky Dimension:
The sky dimension far lands:
- "And because PC Gamer made such a big deal of the sky dimension, I guess I'll have to finish it. Consider it confirmed." – @notch (Markus Persson) on Twitter, May 19, 2011
- "Block of the Week: End Stone" by Marsh Davies. Minecraft.net, May 5, 2017
- "@JPwanabe It has been rebranded to be The End realm" – @jeb_ (Jens Bergensten) on Twitter, October 12, 2011
- "@MBishop10 Probably, yes. :D I love the idea. The Ether mod does it great, try it." – @notch (Markus Persson) on Twitter, November 10, 2011
- "@Sims_Doc @Dinnerbone No we don't plan to return the Sky Dimension" – @jeb_ (Jens Bergensten) on Twitter, July 2, 2012
- "@Tyren9 We have no plans to revisit the skylands" – @Dinnerbone (Nathan Adams) on Twitter, July 3, 2012
- Gallery on imgur
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