Here is the full list of all 22 CAFE 0 ~The Sleeping Beast~ achievements.
You have unlocked all of the achievements.
You have unlocked the true route third ending!
You have unlocked all of the CGs.
You have unlocked the true route second ending!
You have released the feeling "Hope" and "Despair"!
You have unlocked all of the Music tracks.
You have unlocked all of the past memories.
You have unlocked the true route first ending!
Listen to the beast roar!
You found out what is actually happened 15 years ago.
You have cleared Nathan (Friend) route!
You have unlocked the true route!
You have released the feeling "Happiness" and "Sadness"!
You have cleared Ethan (Couple) route!
You have released the feeling "Love" and "Hate"!
You have cleared Ethan (Partner) route!
You have released the feeling "Trust" and "Distrust"!
You have cleared Nathan (Family) route!
You have released the feeling "Family Love" and "Loneliness"!
You have unlocked the Bad Ending!
You have cleared the prologue!
You found out the wolf's identity.