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