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!
Not an illusion
Tanya loves Luke
Mark & Julia
A new dawn
Luke marries Tanya
Bionic... hearts
Julia the fortune-teller
Richard's menace
Tanya is a serial killer
Luke is killed by Julia
Luke and Tina prisoners
Tanya had a soul too
You escape to Mars
Tanya kidnaps Luke
Luke becomes a robot
Luke's sacrifice
Luke the great scientist
Luke ends his life in jail
Tanya is arrested by police
Tanya kills Luke
Jealous Tanya kills Helen
Luke never meets Tanya
Luke tries to shoot Tanya