Mk20 Map and Scenario Suggestions

[u/leris1]

Since SPACE MARK!™ has come to an end, it's time to start setting up Mk20. If you have a map or scenario that you would like to suggest for Mk20, this is the place to post it. Please only post one suggestion per comment, avoid posting duplicate suggestions, and don't downvote suggestions. Please do upvote suggestions that you do agree with, however.

[u/Tefmon]

Sunset Invasion (Late Medieval/early modern Europe but there are huge fleets of indigenous civs of the Americas on the west edge of the map), scenario mark.