Allow me to speculate. Mostly non observations, discussing what appears to be the same, or raising new questions...
Screenshot 2
Morale: Flags appear to be replaced with banners, making it (slightly) less likely that morale is in the game. The flapping flags, as some people indicated, might have represented that unit's relative zeal. Now that they're banners, there's still an outside shot that morale is represented in some other way, perhaps as a number below the unit. After all, if you take the screenshot literally, then units don't even have hitpoints
City Radius: It looks like the "fat x" is still in, going by the size of those red borders.
Flat Land: It doesn't look like they've made land slope up and down, like a Simcity 2000, 3000 and so on. Mountains and hills are represented in 3D, but they're strictly there as terrain types. Although I am wondering to myself -- how are those little units going to appear on those jagged little mountains?
Workers: It looks like little worker units are in there, so they haven't moved to a public works system. Whether this precludes any kind of streamlining of their work is something else, but it looks like workers behave like regular units with special abilities.
Number of Soldiers: If you look at that square by the lake, the red unit in the top left, it appears to have 4 soldiers. If you look at the red workers and warriors towards the bottom, it appears to have 5. Maybe the number of units represents hitpoints? Maybe the number of soldiers increases as a unit achieves more experience?
Nice engine, by the way.
Screenshot 3
Technologies: See the bottom left? The player appears to be researching
Metal Casting, which leads to
chemistry and
machinery. It looks like they're going for more detail in the tech tree! Also note, these technologies are all scientific, as opposed to social (like nationalism, monotheism, and feudalism) -- it's curious what some of the social techs are.
Building versus Constructing: Also note from that little tech dialog -- Metal Casting allows you to
build a Workshop. But it also allows you to
Construct Forge. What's the difference between building and constructing? Why mince terms? Are they different? If building is what happens for regular city improvements... Perhaps to Construct something is to make it with your workers? Or perhaps to construct something is to build something on a small-wonder scale?
Unit Stats: I can't see anything that would look like a reasonable attack / defence for a spearman.
O/1 seems to indicate movement. There's a number that says
Combat: 1, suggesting this is the spearman's attack rate? But then what is the
4 squiggle? Some kind of experience or HP level? What happened to defence? Maybe stats are being rethought?
Rivers: Civ 3 style, between tiles, as opposed to running through tiles like roads.
Also note, they cleaned up the interface while still keeping it relatively consistent. Stats and map in the corner, and unit options in the middle. But the options are icons instead of little buttons. Also, it looks like they're trying to get more information on the screen, with the research info in the left corner as well, along with "34 turns" indicating the amount of time left.