Maps, theory discussion

[dHay]

Wrap around the top and sides makes a donut shape.
Donut is a very good shape for limited choke points.

http://www.wolfpackempire.com/ plays a donut world.

The number of sectors in your small game maps could make it difficult to get the effect of a donut. Not enough distance, so pretty much everything is a couple of hops away. Which might remove a lot of the terrain tactics.