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