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