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 Pod programs obtained.
All endings achieved.
All weapons upgraded to the highest level.
Emil destroyed.
1 hour played with 9S in a certain state.
50 machine lifeforms destroyed with berserk mode.
2B's secret discovered 10 times.
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.
80% of all archives found.
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.
80% of all quests completed.
Any weapon upgraded to the highest level.
100 machine lifeforms destroyed by hacking.
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.
80% of all plug-in chips collected.
Complete the flooded city.
All Pods found.
Any animal ridden for 5 kilometers.
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.
Complete the alien ship.
Have 100 bodies collected.
At least 100,000 G in possession.
10 friendly machine lifeforms destroyed.
Complete the amusement park ruins.
Complete the desert area.
Have your body collected.
Complete your first quest.
Arrive at the city ruins.
255 enemies destroyed using a flight unit.
Stare into space from the Bunker.