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