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