legalizefreedom
Inefficiency Expert
How are map types ordered with regards to alien hostility/friendliness ?
Is it possible to play in an all land or all sea map ?
You can get general info on this page, then click on each biome name to see more detailed info.
https://civilization.fandom.com/wiki/Biome_(CivBE)
And likewise for the planet types
https://civilization.fandom.com/wiki/Planet_(CivBE)
I don't think there are all land or all water types, but you can probably get fairly close.