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