Heh, I got my civ-dragon to chase myself, I try a similar scenario, obviously, just become a bloated mega-power.
I did this originally in Civ 3, super-sized map, with the shape of the actual world. In the end, before I just had to give up, I had all of the Americas under my control, as well as Europe and half of Africa. The rest was algorithmically impossible to take on by then, the AI had just... gone miles beyond me, mass producing hardware. The rest of the world consisted of two other nations, both superpowers.
This was curbed in Civ 4, and ever since, I've never had that feeling again, of being so deadlocked against another superpower. If I play it too easily, it's too easily, and you just grow, and never feel that resistance. If I play it too difficult, then I am constantly terrified of being overrun, and attempts at war will naturally have much more realistic outcomes.
Not complaining tho, especially since nostalgia in itself can be quite manipulative in that sense
One problem, if anybody knows what's happening, is sometimes I am using oil, without using oil. I'm not trading it away, or actually using it, but will have -5 for example. This is pretty bad on a small map, where you might have only a single source of oil found
Another one, decided to play an easy world-map game, surf through, got another thing coming, on my fourth war now, I'm still using warriors and archers to defend myself. I fight only defensively (duh, 1 warrior and 2 archers), and now I'm apparently a war-mongerer, with nation after nation turning to "Hostile" o_o for being attacked! I'm not even sure why I'm being attacked so much, probably cus I'm attacked so much :I