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.
Entered the Infraworld.
Finished the game in Duo mode.
Saved every character that could be saved.
Slept with Ryan.
Ordered a pizza, watched some TV and wore something casual.
Took every opportunity to be evil as Aiden.
Launched a scene in Duo mode.
Cooked a meal, cleaned the apartment, took a shower, wore the elegant dress and put on some music.
Went to the containment shield with the General.
Told the truth during the interrogation.
Found all the bonuses.
Did not impress or scare the teens with Aiden.
Forgave Jodie's father.
Destroyed the gas station, the church, the gun store and the helicopter.
Got arrested three times and escaped each time.
Stopped the experiment voluntarily.
Finished the mission using only the Sheik.
Shut down the monitor and finished the mission using only Aiden.
Earned enough money to have some chocolate during dinner.
One possible reality has been uncovered...
Stayed in reality.
Helped Dawkins see the truth.
Deactivated the Black Sun.
Didn't speak 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.
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.
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.
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.
Played as Aiden for the first time.