What is a debug world and how can I create one?

I recently heard of a world type called 'Debug Mode'.

  • What is it?
  • How can I enter or create this world?

Solution 1:

What is it?

Debug mode is a world type which generates a world containing all block data types in all states. It is very useful for developers and resource pack creators.

It contains a total of 5274 unique block types and states. The gamemode is set to spectator by deafult. Breaking or placing blocks is impossible.

How can I enter or create this world?

On the 'create world' screen, hold ↑ Shift and left click until 'Debug mode' appears. It should be after the customised world type.

Note that debug mode is only available in 1.8 and above.

clicking the world type button

Source