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