Creating a world with the seed -630666582824199719 results in huge world generation gliches.
First, I created a new world and only changed the default gamemode to Creative and the world name. I didn't even touch the advanced settings! Then I noticed there are world generation gliches everywhere. A few examples:
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Then I made another world, this time I manually changed the seed to the same one as the world before (-630666582824199719). The terrain was completely different (I also checked the spawn coordinates, they were the same), but there were some gliches as well, for example:
[media]I also generated some other worlds with random seeds, and they all generated normally so it must be an issue with the seed.
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Duplicate of MC-315

Galaxy, take a look at the screenshots... The advanced settings. I think they messed things up as well.


I think he duped it because the actions you took after it.
"Then I made another world, this time I manually changed the seed to the same one as the world before (-630666582824199719). The terrain was completely different (I also checked the spawn coordinates, they were the same), but there were some gliches as well, for example:"

Try to generate a world with the exact same seed, but a different world name, and tell me what you see.

Try to generate a world with the exact same seed, but a different world name, and tell me what you see.
Okay, that actually did fix it. I'm sorry, I must have used the same name when testing out 1.8's new Custom World Generation :/

No, it's MC-315 🙂