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