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