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.
50 machine lifeforms destroyed with berserk mode.
2B's secret discovered 10 times.
50 machine lifeforms destroyed by remote control.
All Pods upgraded to the highest level.
1 hour played with 9S in a certain state.
Have 100 bodies collected.
All Pod programs obtained.
All weapons upgraded to the highest level.
Emil destroyed.
Achieve 9S's ending.
View the final credits.
10 friendly machine lifeforms destroyed.
Achieve A2'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.
Control A2 for the first time.
Watch 2B die.
Achieve ending B.
100 machine lifeforms destroyed by hacking.
20 different kinds of fish caught.
80% of all quests completed.
Any weapon upgraded to the highest level.
At least 100,000 G in possession.
Materials gathered at a hidden harvest point 10 times.
Any animal ridden for 5 kilometers.
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.
80% of all plug-in chips collected.
The place of memories has been visited.
Emil's shop used for the first time.
Complete the forest castle.
All Pods found.
Complete the alien ship.
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.