I played hunter island for a long time, but I’ve only recently picked up Neo Monsters. How do I transfer monsters from Hunter Island to Neo Monsters, if at all possible? Also, which ones would you recommend that I transfer?
That was a loooong time ago.
Can’t do that anymore 
It was only possible for one week or so after the release of NM. Many players asked the devs to reopen this possibility but the devs refused because they don’t care about the loyalty of their fans. At least I don’t see no other excuse for that. “To much work” or “Apple doesn’t allow this” are some funny excuses.
It was possible for about a week following the opening of Neo Monsters, and is no longer possible.
Although for what it’s worth most people transferred kamiwyrm, which is not as powerful as it was in HI.
You can find more info in some of the other subforums further up, or just feel free to pm me
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