Here is the full list of all 18 My Cute Succubus achievements.
Selling a soul
Salvation of the Immortal Soul
You deserve it?
Dissatisfied and indignant
Talk to Comrade Stalin
Follow the instructions
Meet Stalin
Spank the Fuehrer
Meet Fuhrer
Collect 50 Stars
Teresa's Rest
What does it mean?
Scary cozy place
Did not help...
Pleasant acquaintance
Meet Succubus
Meet Baba Yaga
Start new game