Today I entered the Debug world type for Minecraft to check out all the new blocks in 1.9. Oddly enough I found an interesting block I had never seen before even after experimenting with 1.9. They looked odd and had letters on them like this:enter image description here

What are these lettered blocks, and can I attain them?

  • Never heard of a debug mode world. How can I enter it? Mar 15, 2016 at 6:10
  • @angussidney seems like ANOTHER good question. I thought that we ran out of good minecraft questions.
    – ave
    Mar 15, 2016 at 6:10
  • @angussidney, click "create new world" go to "more world options" Hold shift on "world type" and click it five times starting at default. Lol, answering a question on a question.
    – Jason_
    Mar 15, 2016 at 6:19
  • That's the one!
    – Jason_
    Mar 15, 2016 at 6:29

1 Answer 1


They were used to test end structures, S stands for Save, L stands for Load, C stands for Corner, D stands for Data, but you can't obtain them. However, you can place them in a world with cheats are enabled by using the command /setblock x y z structure_block. A good reason to use them is the fact that they emit 15 light (as bright as sun) and their toughness is very high.

You can see the Wiki Post here.

  • I've read that they can save / load structures but can't verify atm.
    – ave
    Mar 15, 2016 at 6:20

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