Here is the full list of all 47 NieR:Automata achievements. It takes around 50-60 hours to unlock all of the achievements on Windows.
View the final credits.
Achieve 9S's ending.
Achieve A2's ending.
Watch the final moments of Devola and Popola.
Stop all resource recovery units.
80% of all unit data unlocked.
Grant Pascal's final request.
Control A2 for the first time.
Watch 2B die.
Achieve ending B.
80% of all quests completed.
The place of memories has been visited.
Any weapon upgraded to the highest level.
Materials gathered at a hidden harvest point 10 times.
Play your first hacking game.
Achieve ending A.
Complete the abandoned factory.
Complete the copied city.
Complete the flooded city.
255 enemies destroyed using a flight unit.
20 different kinds of fish caught.
All Pods found.
Emil's shop used for the first time.
Complete the forest castle.
Have 100 bodies collected.
Complete the alien ship.
Complete the amusement park ruins.
10 friendly machine lifeforms destroyed.
Any animal ridden for 5 kilometers.
At least 100,000 G in possession.
Complete the desert area.
Have your body collected.
Complete your first quest.
2B's secret discovered 10 times.
Arrive at the city ruins.
Stare into space from the Bunker.
80% of all archives found.
80% of all plug-in chips collected.
All Pod programs obtained.
All weapons upgraded to the highest level.
All Pods upgraded to the highest level.
100 machine lifeforms destroyed by hacking.
50 machine lifeforms destroyed by remote control.
50 machine lifeforms destroyed with berserk mode.
1 hour played with 9S in a certain state.
Emil destroyed.
All endings achieved.