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