In the new version, an AI-controlled conductor named Klaus will compete with you for siding space. He plays dirty. He will block your path and radio false alarms. How to beat him:
To see the credits roll without a game over screen, you need the Golden Key Item. Here is the exact sequence that works in the new build:
If you did everything correctly, the screen will flicker, the fourth wall will break, and you will get the "Unteralte rbach 21" true ending: a 10-minute slideshow of every character waving goodbye.
At Km 9.2, there is a signal (Sg 114) that turns red for no reason. Veterans know this is a scripted event for a "ghost train" that was removed in the new patch but the signal logic remains. To bypass it:
You must balance three hidden stats: Sanity, Currency, and Clout.