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