These are all the maps types available. Most or all maps have the following settings available: Size, Climate, Sealevel, Era, Speed, World Wrap and Resources. All examples are with standard size, temperate climate, medium sealevel and cylindrical world wrap, unless there's another default. Examples of different climates are shown as last.
Archipelago
Landmass Type: Snaky Continents / Archipelago / Tiny Islands
Snaky Continents
Archipelago
Tiny Islands
Continents
Custom_Continents
Number of Continents: One Per Team / 2 / 3 / 4 / 5 / 6
5 Continents
Islands
Number of Large Islands: 1 Per Player / Extras / Several Extras
Number of Tiny Islands: No / Few / Various / Many Tiny Islands
1 Per Player, No Tiny Islands
Extras, Few Tiny Islands
Several Extras, Various Tiny Islands
1 Per Player, Many Tiny Islands
Pangaea
Shoreline: Natural / Pressed / Solid
Natural
Pressed
Solid
Fractal
Three examples.
Terra
Balanced
A solid pangaea with balanced resources.
Shuffle
Archipelago, Continents, Pangaea, Fractal or Terra.
Tilted_Axis
No World Wrap setting.
Landmass Type: Massive Continents / Normal Continents / Small Continents / Islands / Tiny Islands
Massive Continents
Normal Continents
Small Continents
Islands
Tiny Islands
Ice_Age
No Climate, Resource and World Wrap settings.
Landmass Type: Wide Continents / Narrow Continents / Islands / Small Islands
Wide Continents
Narrow Continents
Islands
Small Islands
Mirror
No Sealevel and Resource settings. Unsuited for an odd number of civs or teams.
Mirror Type: Reflection / Inversion / Copy / Opposite
Team Setting: Start Together / Separated / Anywhere
Landmass Type: Small Lakes / Wide Continents / Snaky Continents / Archipelago / Tiny Islands
Reflection, Small Lakes
Inversion, Wide Continents
Copy, Snaky Continents
Opposite, Archipelago
Inversion, Tiny Islands
Hub
Areas Per Player: 1 Per Player / 2 (10 Players Max)
Land Shape: Natural / Pressed / Solid
Neutral Territory: Varied / Pressed / Natural / Islands
Isthmus Width: 1 / 2 / 3 Plot(s) Wide
1 Per Player, Natural, Pressed, 1 Plots Wide
1 Per Player, Pressed, Natural, 2 Plots Wide
2 (10 Players Max), Solid, Varied, 3 Plot Wide (Islands in the middle by chance.)
Ring
Areas Per Player: 1 Per Player / 2 (10 Players Max)
Land Shape: Natural / Pressed / Solid
Neutral Territory: Varied / Pressed / Natural / Islands
Isthmus Width: 1 / 2 / 3 Plot(s) Wide
1 Per Player, Natural, Pressed, 1 Plot Wide
1 Per Player, Pressed, Natural, 2 Plots Wide
2 (10 Players Max), Solid, Varied, 3 Plots Wide (Islands in the middle by chance.)
Wheel
Areas Per Player: 1 Per Player / 2 (10 Players Max)
Land Shape: Natural / Pressed / Solid
Ring Width: 1 / 2 / 3 Plot(s) Wide
Spoke Width: 1 / 2 / 3 Plot(s) Wide
1 Per Player, Natural, 1 Plot Wide, 3 Plots Wide
1 Per Player, Pressed, 2 Plots Wide, 2 Plots wide
2 (10 Players Max), Solid, 3 Plots Wide, 1 Plot Wide
Maze
No Sealevel setting.
Maze Width: 1 / 2 / 3 / 4 / 5 Plot(s) Wide
1 Plot wide
5 Plots Wide
Fantasy_Realm
No Climate setting.
Resource Appearance: Logical / Irrational / Crazy
Logical
Irrational
Crazy
Great_Plains
No Climate, Sealevel and Resource settings. World Wrap is Flat by default and anything else make it ridiculous.
Highlands
No Climate and Sealevel settings.
Mountain Pattern: Scattered / Ridgelines / Clustered
Mountain Density: Dense / Normal / Thin Peaks
Water Setting: Small Lakes / Large Lakes / Seas
Scattered, Dense Peaks, Small Lakes
Ridgelines, Normal Peaks, Large Lakes
Clustered, Thin Peaks, Seas
Inland_Sea
Lakes
Oasis
No Climate and Sealevel settings.
Team_Battleground
No Sealevel setting. Unsuited for an odd number of civs or teams.
Team Placement: Left vs Right / Top vs Bottom / Four Corners
Team Setting: Start Together / Separated / Anywhere
Left vs Right
Top vs Bottom
Four Corners
Climates
Temperate
Tropical
Arid
Rocky
Cold