Here is the full list of all 9 Snowed IN achievements.
The base game contains 8 achievements, and there is 1 DLC pack containing 1 achievements.
Complete the second side story
BAD Ending 2
Give Linde a sassy pep talk
FAIL Ending
GOOD Ending
Give Linde a carefully worded pep talk
BAD Ending 1
Start a new game
Complete the first side story