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