Here is the full list of all 45 Beyond: Two Souls achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Stayed in reality.
Deactivated the Black Sun.
One possible reality has been uncovered...
Helped Dawkins see the truth.
Saved every character that could be saved.
Didn't speak during the interrogation.
Went to the containment shield with the General.
Told the truth during the interrogation.
Made it to the cathedral without being spotted.
Started at least one romance.
Successfully performed the entire ritual.
Ran from the sandstorm and took less than 3 hits.
Forgave Jodie's father.
Protected Jodie from her attackers.
Vanquished the entities with Aiden.
Was victorious in every battle with the evil entities.
Deactivated the supermarket's camera.
Earned enough money to have some chocolate during dinner.
Successfully shut down the condenser portal.
Escaped the train without being arrested.
Won every fight whilst taking less than 5 hits.
Completed most of the physical training successfully.
Taught 3 or more of the teens a lesson, or started the house fire, with Aiden.
Shut down the monitor and finished the mission using only Aiden.
Played as Aiden for the first time.
Stopped the experiment voluntarily.
Did 3 mischievous things with Jodie and Aiden.
Choked Philip with Aiden.
Did not impress or scare the teens with Aiden.
Channeled all dead bodies in the condenser compound.
Completed all stealth training without being spotted.
Finished the mission using only the Sheik.
Cooked a meal, cleaned the apartment, took a shower, wore the elegant dress and put on some music.
Ordered a pizza, watched some TV and wore something casual.
Slept with Ryan.
Destroyed the gas station, the church, the gun store and the helicopter.
Got arrested three times and escaped each time.
Looked after Tuesday's baby, healed Jimmy and channeled Stan.
Entered the Infraworld.
Launched a scene in Duo mode.
Took every opportunity to be evil as Aiden.
Let every possible character die and chose to go with them to the Infraworld.
Found all the bonuses.
Finished the game in Duo mode.
Saw all endings.