Ready for action on a smaller map? Welcome to the Combine. A progressive farming and sustainability research that's located within the Egyptian Sahara, Combine has a great mixture of inner and outer dwellings, although its size doesn't allow you to stand around too much in one place. Otherwise, you're likely to get picked off.
It's wide, though, so you should be able to get around end to end while keeping your weapon at the ready, as you're bound to run into enemy forces rather quickly. Try to set up defensive settings somewhere in the middle of the map, as they're likely to hit someone passing through due to the small space in the center.