Great fun, but in the map Feral Round up, if you advance about halfway up the map (which you don't NEED to do to win) and then kill the Warboss, come turn 20 you will just drop out to the main menu. Make sure not to kill him, at least not at the middle of the map (he does not come down towards the trenches, if you don't go up) and then on turn 20 the map will end as normal with a little dialogue scene and move on to the next deployment. At least that is what happened to me.
