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