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