Here is the full list of all 31 Sinless achievements.
Change the light
Get an apple
Check newsfeed
Play ghostface
Get a pearpod
Make bed
Start the trip
Pop the Prog
Look carefully
Get a cornbun
Get a Prog pro
Get something from Anne
Fix Poochie
Use a prog hack
Fix the cyberslut
Use a levelhack
Lose
Not dress properly
Check out the picture
Look at yourself
Get 10 kills in mojojoe
Get a score of 5000 in Ghostface
Have a "dead end" conversation
Be annoying
Complete the first act
Complete the second act
Complete the third act
Read all the news
Get 30 kills in mojojoe
Get a score of 12000 in Ghostface
Beat the game