Here is the full list of all 20 Road Not Taken achievements.
Rescued 100 children
Married
Cured someone
Earned a gold watch
Ate Raccoon Stew
Discovered 100 secrets
Rescued 30 children
Picked up Poop
Crafted an angry ghost.
Earned a silver watch
Banned an object
Crafted a fire
Chopped wood
Completed the first mission
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 200 secrets