I'm back to playing Civ VI after more than a year off. I stopped playing for several reasons including the disappointing bugs I kept running into. But now most of those seem to have been fixed and I'm learning the Rise and Fall expansion.
I'm progressing slowly with the achievements, I just don't want to play too many games with special setups. However I just did one as a special setup and suggest everyone do so when trying for "Trans-Siberian Railroad". My set up was Huge map, Pangea, low sea level, hot, dry, Settler, no Barbarians, and only one opponent. You need to do this because the game is very fiddly when you try to get the 60 length trade route going. Imagine the map as a globe, you need to pick two cities, one of which has to be your capital, on opposite sides of the globe. If you go too far, the distance of the trade route starts to decrease. I had to build many cities to find the magical 60. At the start, with no barbs and settler difficulty, you can send all your units out exploring without worry. Find the ocean and move along the coasts to quickly get an idea of the shape of the land and found your first city near the east or west coast, being careful not to build it on an inlet. That may take a while, and you'll be losing money, so you don't need any more headaches.
Also use a later start, to allow you to explore faster, I did it with a an Information Age start to get "Through the Digital Age" done. Oh, I turned off the turn limitation, and the only victory condition enabled was Domination. You don't want the game to end if it takes a while to get your trade route up. Oh, I left the default number of City States, and that's both good and bad. I used them to plan my route, but if I built a trading post in one, then decided that it was going to be on my route, so I had to conquer it, It would lose the trading post and I had to set up another trade route to rebuild the post.
Well, I'm up to 43% done, even after working on it for a couple of weeks. About where I was a year ago, but many achievements have been added, so I'm just keeping up
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I still haven't played the game with all the original leaders. I guess China is next, a normal game after the last weird one.