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