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