Full list of all 8 Yu Escape / Monday achievements. It takes around 0-1 hour to unlock all of the achievements in the base game on Windows.
The base game contains 6 achievements, and there is 1 DLC pack containing 2 achievements.
You finished the game!
You found the code!
You like them naughty!
Mhmmm stick it in!
You really like fanfiction!
It's comfier than it looks!
You have found 12 cosplay stamps!
There's something behind there!