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