Full list of all 18 Steam Engine Simulator achievements. It takes around 20-25 hours to unlock all of the achievements in the base game on Windows.
The base game contains 16 achievements, and there is 1 DLC pack containing 2 achievements.
Run the engine for 100 revolutions.
Run the engine for 1000 revolutions.
Run the engine for 10000 revolutions.
Run the engine for 100000 revolutions.
Run the engine for 1000000 revolutions.
Boil 25 ml of water.
Boil 100 ml of water.
Boil 1 l of water.
Boil 10 l of water.
Use the steam whistle.
Click all links.
Reach 650 rpm.
Be questioned by the void.
There's only so much poking a developer can take.
All is forgiven if you appease the algorithm (or just say you're sorry).
Reach 3500 rpm.
Generate a 15 inHg vacuum in the boiler.
Generate a 28 inHg vacuum in the boiler.