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