Full list of all 12 A Short Hike achievements. It takes around 3-4 hours to unlock all of the achievements in the base game on Windows.
The base game contains 8 achievements, and there is 1 DLC pack containing 4 achievements.
Eat a piece of toast.
Take a nice long nap.
Trade every species of fish from the journal.
Beat each parkour race once.
Find every feather.
You made it to the top!
Collect 10 golden feathers.
Get the commemorative hat.
Water every sprout.
Complete the boating challenge in under 45 seconds.