OK, here is my 15 turns.
EOT 2000BC (Turn 0): I see that the barbarians have archer already
View attachment 108078
I guess I have a decision to make regarding the research path - Bronze Working, Pottery or even Archery. After some consideration, I decided to stick with BW and try to get it researched within my turns. The initial holdup on other techs does hurt a bit, and it's a risky maneuver, but I think the rewards of chop-rushing and possible location of bronze nearby outweigh its downsides if we can do it quickly enough.
Since we're alone on this continent, we should try to make use of what resources it has ASAP and focus on infrastructure whilst trying to meet other civs. That means we should go for at least 6-7 cities or so right here and try to boost research, since early military is somewhat less crucial other than to defend against barbs. In order to do that, choprushing is crucial. Pottery can wait until the next cycle, and in the meantime our warriors will have a job to do. If we fill up this continent and/or set up enough units on key locations to uncover the fog, we won't even have to worry too much about barbs on our land anyway.
So I leave the research as it is but temporarily boost science to 100%, netting -1 gold per turn. I temporarily switch the 2nd city from building settlers to barracks, to let it grow a little bit while the gold is still being mined by the worker. On principle, though, it's not a bad idea to stunt growth of cities in the early going if one is trying to expand one's territory, at least until enough cottages are built to run them profitably.
EOT we get a look at the largest civ in the world and find that we're smack in the middle:
View attachment 108080
Turn 1: Barracks completed in Capital. Capital grows to size 3. Start warrior, due in 4 turns.
Turn 2:
Turn 3 EOT: Worker completes the gold mine

, I switch over to work that tile, which means the city growth is stalled. Thus I switch over to settler building.
Turn 4: I move the worker over to the pasture currently outside Bearfall's cultural borders, which is set to expand next turn and this way I'll be able to work the pasture just in time.
Turn 5: Bearfall's culture expands. Begin working pasture. Warrior #1 completed in capital. I move him out eastwards to clear the fog and scout for barbs. Start 1 more warrior in capital, due in 4 turns.
Turn 6:
EOT 6: Someone founded Judaism
Turn 7:
Turn 8: Persepolis grows to size 4.
Turn 9: Warrior #2 completed. I move him out to clear some more fog. Begin worker in capital, due in 8 turns. We'll have some work to do once BW completes and pottery is on the way.
Turn 10: Worker completes pasture EOT. I switch over to work that tile, for now.
Turn 11: I move worker to the forest tile just outside of Bearfall's cultural boundaries. BW is due to complete in 1 turn so it's perfect timing to chop rush next turn.
Turn 12: BW discovered

, NO Copper nearby!

I get started on Pottery due in 10 turns. Worker begins chopping to help rush Bearfall's settler. Afterwards I switch the city's working tile back over to the gold mine to cut Pottery's research time to 7.
Turn 13-15:
And that's it. I didn't found any new cities but we're well on our way. The 2 warriors confirm that there is no immediate danger of barbarians (I've fortified them on forests and hills respectively for now). Here's my attempt at a dotmap of our current situation:
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As mentioned before, we have no copper on our continent so we just have to work with what we've got. The red dots indicate my opinion on where our next cities should be placed. We can squeeze in at least 7 cities this way, with minimal overlap, and in position to make use of ALL of our currently known resources. Since our initial land mass is small we should make use of as much of it as possible. Pottery is due in 4, with worker #2 due a couple turns sooner. I'd begin churning out settlers/additional workers at this point to expand, and begin building cottages while keeping watch for barbs.
View attachment 108093
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