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.
50 machine lifeforms destroyed by remote control.
20 different kinds of fish caught.
All endings achieved.
All weapons upgraded to the highest level.
50 machine lifeforms destroyed with berserk mode.
Emil destroyed.
100 machine lifeforms destroyed by hacking.
All Pods found.
All Pods upgraded to the highest level.
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.
80% of all unit data unlocked.
All Pod programs obtained.
Have 100 bodies collected.
Grant Pascal's final request.
Control A2 for the first time.
Watch 2B die.
Achieve ending B.
80% of all quests completed.
The place of memories has been visited.
Any weapon upgraded to the highest level.
80% of all plug-in chips collected.
1 hour played with 9S in a certain state.
Any animal ridden for 5 kilometers.
10 friendly machine lifeforms destroyed.
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.
Complete the flooded city.
255 enemies destroyed using a flight unit.
Emil's shop used for the first time.
Complete the forest castle.
2B's secret discovered 10 times.
At least 100,000 G in possession.
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.