Well, my first game was a crappy 1958 finish. I tried Bismark on Team Battlegrounds Top vs Bottom. Two Khans and a Lizzy. I was attacked three times but easily beat them back with superior military tech.
I had stone close. Late game I started two land wars to destroy some border towns that were keeping me from first marble and then aluminum. That worked pretty slick because I had great artists on the back burner and culture bombed myself to legendary culture at just the right moment to expand into both resources by but a single square. That was the coolest part of my strat, unfortunately.
Had some help trading until around astronomy, and then I was on my own. I tried gifting techs to let them help more in trades, but they couldn't seem to research squat.
I experimented with an all farm/no cottage strat for maximum great people -- won't do that again. A better strat would have been to wait for a start with some floodplains and go ahead and use cottages.
Lessons learned: team battleground is the smallest map, so it squezzes the most resources into the smallest space. However, it's so small that you may have to go to war to enjoy the benefits of your full border potential. What kinds of maps are others using? Pang? Balanced? Great Plains might be a nice choice, for all the food.
Also, I was ticked off to discover that my city was not within the 30 degree latitude limit for the Space Elevator. That, after I had saved up two great engineers. This is an easy-to-make mistake, since in a non-OCC game, if your capital is too high in latitude, you can just build it in another city. Not so in the OCC.
So be warned OCC Civvers, if you want to build the Space Elevator, move that settler toward the equator. The Elevator isn't essential to all strats, but my all-food improvement strat precluded mines, so production was a bit of an issue.