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