Become the transportation tycoon of Nauvis! Collect food from farms, craft delicious food and useful utilities, grow your cities, and cater to the needs of an ever-growing population.
It happens in every savegame. We tried it 4 times with restarting the game and creating a new one.
So in theory you should be able to replicate it very easily by just having a friend join you.
Anyways, i have 2 screenshots and the desync file for you.