Each world has biomes, climate zones, poles, an equator, and celestial objects that can be seen especially in the clear night sky.

All worlds are randomly generated; no two worlds are alike. The location of the spawn portal is different in each world. All worlds have landmarks such as the poles and equators, however.


All single-player worlds are 16,384 blocks in circumference and roughly 1024 blocks from magma to space. Sea level is roughly is 512 blocks from space and 512 blocks from magma. As the height of magma will vary, the distance from magma to sea level or space will also vary.

Starting in version 1.5, servers have the option to create larger worlds. The two additional options are Huge (4x) and Extra Huge (16x). Instead of being 16,384 blocks in circumference, they are instead 65,536 and 262,144 blocks in circumference, respectively. The height of the worlds remain the same.


Although The Blockheads is mostly two-dimensional (up, down, left, and right), a certain amount of "depth" is visible. The effect is as if there are four layers of depth:

  • Foreground - Where solid and liquid blocks and blockheads exist. A blockhead can move through fluid blocks (air and water), but not solid ones.
  • Mid-ground - Where most objects that a blockhead can move past exist, such as trees and crafting surfaces. Blocks in the foreground have a presence here as well.
  • Background - Where any "backwall" blocks or objects exist. A block that's only in the background can be acted on to have a mid-ground ore foreground object placed on it. Most foreground blocks have a presence in the background behind it and all non-solid blocks below it until interrupted by another solid block.
  • Sky - Where celestial objects exist.


Below a certain point, the default background layer ceases to be air and becomes stone, preventing any other block from displacing it. This background is present even if no solid blocks are anywhere above it, and usually is initially created where the overlying layers of dirt and sand stop and underlying stone begins. As such, this can be called the world's "bedrock."

Bedrock also extends directly underneath the initial portal until it merges with the natural bedrock of the world.


The visible world can be displayed at any of six scales, three of which can be used to interact with a blockhead. They can be changed between by two-finger sweeps (pinching and spreading).

  • Default - Blocks are displayed at the same size as the inventory icons on the right of the display.
  • Small - Blocks are tiny, allowing more of the world to be viewed at one time.
  • Large - Blocks are large, allowing more detail to be seen and tapping to be more accurate.

While using a camera, the zoom level can be fine-tuned to levels in between the three main levels as well as much "closer" to nearly fill the display with a single block face.

Additionally, there are three levels beyond "Small" that eliminates details and reduces individual blocks to small, square pixels. The display can be scrolled vertically or horizontally, and the effects of night (but not underground illumination) are eliminated. At maximum zoom-out, it's roughly possible to see from magma to space without scrolling. In any of these modes, portals are superimposed with a larger than scale icon and blockheads are positioned by name.

The exact amount of a world that can be seen at one time depends on the device and scale used.

Display Dimensions in Blocks
Default Small Large
iPad 19x26 38x52 9.5x13
iPhone 3GS - 4S
iPhone 5, 5C, 5S 8x13 24x39 4x7
iPhone 6
iPhone 6 Plus
Android Screen size will vary

Known WorldEdit

Only those areas seen previously are visible. Any changes are also visible, even if a blockhead is not near the area being viewed. Server admins and owners can see all areas explored by any player.


The animals and plants of a world are not static, but continue with their activities even when nothing else is nearby. To conserve system resources they may not be updated in detail unless they are actively viewed by a player. This can result in some interesting effects, such as large trees despawning into a pile of sticks and wood or an ocean waiting until the arrival of a blockhead to begin draining into an open submarine cave.

Worlds started with an earlier version of the app may have new features added when opened in newer versions. This has been noted particularly with the addition of black sand (version 1.4) and the appearance of trade portals in troll lairs (version 1.5).

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