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