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