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