General Robi D, are you saying human players are easier to conquer than the AI?
I doubt any of the teams will be eliminated so I don't see a conquest victory. I don't see a domination victory either since the team that get's a leg up will only end up facing the combined strength of the other three. Culture will be difficult. Doesn't look like anyone wants a 20K city and it's too easy to maintain cultural parity and prevent any team from getting the required 100K and 50% more than everyone else. Space race seems more possible but then again, all one has to do is capture the capital to destroy it. This may well go down to the wire as a histograph win.
Edit: Forgot diplo. Like any team is going to get two others to vote for it!