In secret bases you can collect a flag of each new secret base you find. I've noticed some bases have different color flags, which I assume means a different rank. How many flags to you need to get a new rank (silver rank, etc.)?
How many flags to you need to reach each rank in your secret base
pokemon-omega-ruby-alpha-sapphire
Best Answer
I found the list of ranks by number of flags obtained on GameFAQs forums: