Solved
Do not forget to submit your Halloween inspired worlds - Horizon Editor
There is a message at the top of the Meta Horizon Worlds editor that mentions submitting Halloween-themed worlds, but doesn't specify where exactly.
Do we just publish our world with a Halloween theme and it'll get considered for this holiday curation?
See this post: https://communityforums.atmeta.com/discussions/Events_Competitions/featured-halloween-worlds%F0%9F%A7%9F/1345729?after=MjUuOXwyLjF8aXwxMHwzOToxfGludCwxMzQ1NzMyLDEzNDU4MDM
