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