Here is the full list of all 22 CAFE 0 ~The Sleeping Beast~ REMASTERED achievements worth 1,000 gamerscore.
You have cleared the prologue!
You have cleared Ethan (Partner) route!
You have cleared Ethan (Couple) route!
You have cleared Nathan (Family) route!
You have cleared Nathan (Friend) route!
You have unlocked the true route!
You have unlocked the true route first ending!
You have unlocked the true route second ending!
You have unlocked the true route third ending!
You have unlocked the Bad Ending!
You have released the feelings "Hope" and "Despair"!
You have released the feelings "Family Love" and "Loneliness"!
You have released the feelings "Love" and "Hate"!
You have released the feelings "Happiness" and "Sadness"!
You have released the feelings "Trust" and "Distrust"!
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You have unlocked all of the CGs.
You have unlocked all of the past memories.
You have unlocked all of the achievements.