A quick guide on how to get the Final Stop achievement.
How to Get The Final Stop Achievement
All credit goes to Paul Smenis !
First Off
In order to unlock the secret level that will give you the achievement you need to complete all levels, including bonus levels.
View Credits
Click on the construction guy at the top left of the screen (or press F2).
End Of Credits
At the end of the credits, you’ll see a ticket. Click on it to take you to the secret level.
Solution
Here’s how I solved the level.
That’s It!
Once you solve the secret level you will get the Final Stop achievement.
Nice, did wonder what the hidden achievement was – my secret <3 level was different to yours but was easy to solve. Great game, thanks Devs