The current pre-release of the client ("pioneer" in the version) is only compatible to itself. So you can only play with other testers. Please be aware!
@Penguin_ oh I assumed I'd get 10x10 maps, and majority 12x12 and 13x13 based on what the Map List gives me.
I would prefer them all smaller, currently almost all games are won/lost in the expansion phase of the game, which I'm assuming is exaggerated because it's a generated map