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