Here is the full list of all 24 Bionic Heart achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Happy Ending aka master fanservice ending!
Luke ends his life in jail
Tanya loves Luke
Julia the fortune-teller
Bionic... hearts
Mark & Julia
A new dawn
Luke becomes a robot
Richard's menace
Tanya kidnaps Luke
You escape to Mars
Tanya had a soul too
Luke and Tina prisoners
Luke the great scientist
Luke marries Tanya
Tanya is a serial killer
Luke is killed by Julia
Luke's sacrifice
Not an illusion
Tanya kills Luke
Luke tries to shoot Tanya
Jealous Tanya kills Helen
Luke never meets Tanya
Tanya is arrested by police