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