Can I Black Border BTD6s HIDDEN Maps?

Can I Black Border BTD6s HIDDEN Maps? I have Black Bordered all of the hardest maps in BTD6... besides these ones! They flew under my radar since they are hidden inside challenge editor... today I take them on 💸 USE CODE "MEHALICPOPS" IN THE Bloons TD 6 ITEM SHOP! 👉 JOIN THE DISCORD:   / discord   📈 Business Inquiries: Mehalic@amg.gg #bloonstd6 #btd6 #bloonstowerdefense6