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.
Found all the bonuses.
Destroyed the gas station, the church, the gun store and the helicopter.
Entered the Infraworld.
Finished the game in Duo mode.
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.
Slept with Ryan.
Cooked a meal, cleaned the apartment, took a shower, wore the elegant dress and put on some music.
Ran from the sandstorm and took less than 3 hits.
Started at least one romance.
Choked Philip with Aiden.
Deactivated the supermarket's camera.
Channeled all dead bodies in the condenser compound.
Got arrested three times and escaped each time.
Completed all stealth training without being spotted.
Taught 3 or more of the teens a lesson, or started the house fire, with Aiden.
Finished the mission using only the Sheik.
Launched a scene in Duo mode.
Stayed in reality.
Deactivated the Black Sun.
One possible reality has been uncovered...
Helped Dawkins see the truth.
Told the truth during the interrogation.
Went to the containment shield with the General.
Made it to the cathedral without being spotted.
Successfully performed the entire ritual.
Forgave Jodie's father.
Protected Jodie from her attackers.
Vanquished the entities with Aiden.
Was victorious in every battle with the evil entities.
Earned enough money to have some chocolate during dinner.
Looked after Tuesday's baby, healed Jimmy and channeled Stan.
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.
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.