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