Here is the full list of all 16 Dark Train achievements.
Leave the city and pass the baton!
Find and read the contents of all blueprints.
The best tattoo in the Border city.
Help chimney sweeper get into the Cathedral.
Find hideout in the right place. (secret)
Destroy the factories to manufacture Panzer-Abnormotrons.
Fortunately! The train goes around!
Obtain everything you need for hatching the egg.
Find all the neon signs of Abnormitrons. (secret)
Find a room you will never forget. (secret)
Do not be bothered on the rails.
Find the neon sign of firefighters. (secret)
Use the Inventory as an Incubator.
Don't let the Panzer-Ritter wait for long.
Find the source of electricity. (secret)
Don't let inventory arm catch the Moon in less then 30 sec.