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World Size is an option to change the size of the finite worlds in New Nintendo 3DS Edition and Legacy Console Edition (specific to PlayStation 4 Edition, Xbox One Edition, and Nintendo Switch Edition). By default, worlds will generate at the largest size available in each edition.
Legacy Console Edition[edit | edit source]
In the finite worlds of Legacy Console Edition, the edge of the Overworld is surrounded by an endless sea of water preceded by an invisible barrier, and the edge of the Nether is surrounded by a wall of bedrock. The End is not affected by world size. Worlds are able to generate with any of the biomes (albeit at a reduced size) and generated structures available in the current version. The tile on each edge of the Overworld and Nether is inaccessible, so the effective area is 2 tiles less on both axes.
After a world has been created, it can be expanded to a larger size. Larger worlds cannot be reverted to a smaller size. In this process, there is an option to "Overwrite World Edges", disabled by default. The description of this option reads: "When enabled, the outer 32 tiles around the world edge will be overwritten by newly generated tiles to make the world size increase seamless. When disabled, the world size increase will leave all original tiles intact." Creating a smaller world can be beneficial; particularly in the PlayStation 4 Edition, because after an update makes changes to the world generation, the old world can be expanded to generate new chunks with the new features.
Xbox 360 Edition, PlayStation 3 Edition, PlayStation Vita Edition, and Wii U Edition do not have the option for world size. All worlds generated in these editions will be at Classic size, although it is possible to expand them if they are transferred to an edition that supports larger world sizes. More villages, ocean monuments, and woodland mansions will attempt to generate in Classic than in larger-sized worlds.
|World size||Overworld area||Number of maps||Nether area||Nether-Overworld ratio|
New Nintendo 3DS Edition[edit | edit source]
The finite worlds of the New Nintendo 3DS Edition are based on the Old world type from Bedrock Edition. The edges of both the Overworld and Nether are surrounded by an invisible barrier, and the ratio of the Nether to the Overworld is 1:3 regardless of world size. It is not possible to change the size of a world after it has been created.
|World size||Overworld area||Number of maps||Nether area|
History[edit | edit source]
|The Classic level format has a fixed area of 256×256 and a height of 64. The area outside the map is inaccessible.|
|At some point, it is no longer possible to mine or build on the bottom tile.|
|At some point, map size selection added with Small (128×128), Normal (256×256), and Huge (512×512) options. The game can load maps with other dimensions, but the dimensions of a map can only be changed by externally editing the world file.|
|At some point, the outer tiles of the map can no longer be mined or built on, which reduces the effective build area by 2 on each axis similarly to Legacy Console Edition. However, mobs can still spawn on the outer tiles, and the area beyond them is now accessible.|
|January 6, 2010||Map shape added, which can alter the dimensions of a world beyond the map size.|
|February 27, 2010||Map size and map shape removed as the Indev level format was replaced with the Alpha level format, which has infinite worlds.|
|Legacy Console Edition|
|CU1||1.0||Added Small, Medium, and Large world types. (Large not available on Nintendo Switch.)|
|CU6||1.11||Added World Resize option to expand smaller-sized worlds into larger-sized ones.|