Here is the full list of all 12 The Bottom of the Well achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Explore the many ways you can die during the post-apocalypse.
Find an alternate way across the river - and survive.
Finish the game and finally wake Alice from her sleep.
Reach the Evacuation Center and follow the music to its source.
Use a car to get out of downtown.
Against all odds get Ches and his sister safely to the Evacuation Center.
Survive the apocalypse by sheltering in the subway.
Let someone else take your place.
Learn valuable life lessons and get better prepared for the End Times.
Reach the Evacuation Center alive, but fail to enter the Admin Building.
Defeat the Bitch Queen and her lackeys and gain control over the Fallout Shelter.
Finish your first playthrough.