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