How do I use the Skyway in the Wharf District?
This achievement requires you to leave the first level properly, by making use of the skyway at the end, rather than just falling midway there. Unfortunately, that's precisely what I did. The game offers no way back except for deleting your save file and starting everything over. The game's Steam Cloud enabled too, so things are trickier than usual.
How can I get that achievement (properly) without cheating?