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