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