Here is the full list of all 24 Crime Secrets: Crimson Lily achievements. It takes around 2-3 hours to unlock all of the achievements on Windows.
Find a new hobby.
Find a hidden passage.
Solve three puzzles without using Skip.
Find what’s "hidden."
Finish one hidden object scene without using Hint.
View three cutscenes without using Skip
Extinguish a fire
Launch a firework
Solve your first Detective Mode scene
Find first Hidden Snowflake Symbol
Smash some ice.
Solve a puzzle without using Skip.
Find the first Origami piece
Finish all hidden object scenes without using Hint.
Solve all Detective Mode scenes
Find all nine Hidden Snowflake Symbols.
Find all the Origami
Make a map.
Set something on fire.
Make some hot drink.
Release from bonds.
Chill something out. Literally.
Turn on the fire alarm.
Make an antidote.