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