I think it's important to remember that for a lot of those one-word games, the one word is something very specific to the setting: one of the best collections of examples is the Elder Scrolls series, with Morrowind, Oblivion, and Skyrim meaning little to anyone who doesn't know about the world itself and what's going on in it. So we're not going to be able to come up with anything that can come close to that, unless you give us more data (which I'm guessing that, at this point, you don't have a lot of, based on what you've said about the game and its stage of development).
Power Play
Power's Price
Intrigue
Schemes
Victors' History
...I would also note that the two words in a successful game's title are often accompanied by a simple joining word: for instance, God of War, Might and Magic, Prince of Persia. This also opens up the possibilities considerably. Thus...
Principalities and Powers
Conflict and Compromise
Cost of Compromise
Art of the Possible
Liars and Legends
World(s) of Intrigue
Land(s) of Intrigue
Lord(s) of Intrigue
...And, even though it doesn't entirely meet your criteria, and it's already the title of a Babylon 5 episode, I can't pass up at least mentioning this one because it seems so perfect:
Rumors, Bargains, and Lies