First 20k attempt ... a learning experience
Ancient Age - finished owning collosus, oracle, MoM, GLib and HG, unfortunately the first 3 were in Berlin
Settled Carthage 2SW, built 2 curraghs to explore which identified 20k site and got contacts / trades
20k settled in a late 2850BC
Germans oninously commence Collosus same year, I attempt to outpace them
1725BC Berlin completes collosus, I switch to oracle
1575BC Iroquois dow as I decline extortion (phony war)
1475BC Ditto Germans (phony war)
1300BC Long round of traes as feel confident of phil slingshot, peace with Iroq nets poly
1300BC Hittites demand MM, dow when I refuse
1025BC Phil -> free rep (delay as Oracle req 5 turns to complete)
900BC Iroq build pyramids, Berlin cascades to Oracle turn before me -> decide to revolt (4 turn anarchy)
825BC Arabs demand phil - refuse -> dow (phony war)
800BC Emerge into republic ( can only manage 10% science -> peace with Germany trding techs for cash, sell some other techs to get some research going)
650BC research Lit and can switch to GLib and research max to monarchy
610BC 20k city defended by 1 NM survived 3MC attack prev turn, now kills the redlined 3MC which had retreated -> GA (was almost game over) Peace with Hittites soon after
590BC Build GLib and I start my culture! -> rush temple
550BC Berlin cascades to MoM ( Berlin currently has 442culture, 20k has 4)
410BC Another Iroq demend -> dow
390BC Egypt and Iroq MA against me (didnt note when got peace, but little action)
250BC An eventful year. GLib gives currency -> MA, gift up Germans and Persia they get Feud, dow Germany and capture Berlin (no more culture threat there) This becomes my best science city and later with ironworks, my most productive. I wonder if starting a 20k attempt from this point in Berlin would have done better? HG completes.
Medieval Age - beelined for cultural builds top of tech tree, just ahead of Iroq, also able to get Bach's later
170BC Persians sneak attack breaking 11gpt payment made turn before, MA with Germans (no action in Persia war)
400AD Sistine Chapel
450AD Restart science (had turned off to save cash 1 turn before leaning education, chiv and engineering came in via GLib together) -> beeline to Shakes
780AD 1st MGL end of German war -> army (Germans reduced to 1 tile army for remainder of game)
dow Indians
930AD game crashed, reload autosave
1000AD Trade with Iroq to send us both into IA (they have become powerhouse)
Industrial Age - wars and leaders
1020AD Indians destroyed
1040AD dow Persians - I'm looking for more leaders
1170AD Berlin completes iron works - 1 turn cavs, Arabs and Iroq competing for Newtons
1180AD Persia eliminated
1200AD OCC Germany dows Iroq the number 1 power, I get rop with Egyppt and Iroq so I can target Hittites (I cant understand my reasons for going after them next, this was to have bad consequences - I think I thought their towns would be minimally corrupt)
1230AD dow Hittites, fail to take Hattusas, lose 3 cavs, retreat 6,lose my knight army to LB on counterattack as well as 3 of the redlined cavs. That was just about my entire army

.
1305AD Hittites down to 1 city on small continent -> peace
1335AD dow Egypt
1355AD Egypt also down to 1 town on larger small continent -> peace
1395AD Iroq rop rape me whilst owing 150gpt

. I watch in disblief as they do what I would expect a human player to do and walk into 4 undefended towns including Antioch well behind the borders where I was storing my 5 settlers ready to replace Iroq towns after I raped them! How unfair. Also lost all but 1 of Hittite towns which were guarded only by cavs. Other losses included at least 20 workers (most slaves) and loss of science from captured cities left me 4 beakers short on researching refining. Of course all these captured towns also meant high level WW stuffing up research capability for quite some time.
Almost gave up the game at this point as Iroq far stronger than me.
Allied Arabs against Iroq gifting them horses and iron. Also allied Egypt though that just got them elminated in 1415AD
Subsequent 4 turns Iroq sent up to 27 units per turn into my area. I didnt even have 14 attackers
at this point. Fortunately I had just researched RP so I had arty and inf to support my few cavs
Leader luck was on my side with leaders in 1405AD, 1420AD, 1435AD
I attacked Iroq core cities to put some hurt on them with Salamanca (pyramids, Smiths) falling 1430ADand cleared them off starting continent in 1455AD. 5 cities gained on other islands in peace deal were immediately abandoned.
1460AD dow Arabs, MGL in 1470AD, Arabs destroyed 1525AD
Meanwhile 2 flips to Iroq of Grand River and Niagra Falls (civassist rated both as max 0.7% chance, meant declare to retake with return of high WW - req 40% lux)
Iroq would not accept peace again until 1555AD, the following turn Oil Springs flips losing my ivory and in 1585AD St Regis deposes.
Modern Age - mopping up
I waited until 1675AD to redeclare as I didnt want return of WW ( I did nab ivory with a town on the border) and anyway I was on the dom limit by this stage. This time I take St Regis but just use other cities for leader fishing.
Eventually get leader just in time for Appollo in 1725AD attacking Hittites who are destroyed in 1752AD. The game crashed for 3rd time on pressing F4 key just after this.
1774 Germans still 1 city demand commie, they dow when I refuse

, I keep the WH for the remainder of the game.
In 1820 AD I build a palace in my 20k city and I have run out of culture builds. It is just a matter of pressing enter till 1846 when 20k is reached (except that pollution was a constant pain)
Jason 6707
Time 70 hours +
Culture Builds in 20k
590BC Great Library
550BC Temple (cash rushed)
250BC Hanging Gardens
230BC Library (cash rushed)
400AD Sistine Chapel
410AD Cathedral (cash rushed)
440AD Collosseum (cash rushed)
560AD University (part cash rushed)
800AD Copernicus Observatory
1080AD Shakespear's
1100AD Forbidden Palace (MGL rushed)
1220AD Newton
1285AD Bach's
1305AD Heroic Epic (MGL rushed)
1375AD Universal Suff
1425AD ToE
1430AD Military Academy (MGL rushed)
1435AD Battlefield Medicine (MGL rushed)
1460AD Wall Street
1470AD Pentagon (MGL rushed)
1555AD UN
1640AD SETI
1645AD Research lab (bombers disbanded and short rushed)
1705AD Internet
1750AD Longevity
1752AD Appollo (MGL rushed)
1768AD Cure for Cancer
1776AD Intelligence Agency
1792AD Manhattan
1802AD Strategic Missile
1820AD Palace