Here is the full list of all 20 Road Not Taken achievements.
Rescued 30 children
Banned an object
Earned a silver watch
Crafted a fire
Picked up Poop
Completed the first mission
Crafted an angry ghost.
Chopped wood
Ate Raccoon Stew
Rescued 100 children
Married
Cured someone
Earned a gold watch
Completed a career
Completed 3 careers
Never used teleport in an entire career
Play an entire career without stepping on any spirits
Play an entire career without eating meat of any kind
Discovered 100 secrets
Discovered 200 secrets