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