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