It's arena, except for the fact that you get palisade walls instead of stone walls.
I made this map in response to DaWasabi's request.
I'm sure someone has made this map before me, but since I couldn't find one, I produced a new one.
If you play this map in the original (non-steam) version, you get stone gates.
In Age II HD, you get sea gates (made of wood, and with a lot less health).
To play choose the following when setting up a match:
Map style: Custom
Tell me if you notice and issues on this map, or have any requests or need advice :)