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.
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.
Emil destroyed.
All weapons 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.
Grant Pascal's final request.
All Pod programs obtained.
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.
100 machine lifeforms destroyed by hacking.
Any weapon upgraded to the highest level.
1 hour played with 9S in a certain state.
10 friendly machine lifeforms destroyed.
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.
2B's secret discovered 10 times.
Complete the copied city.
Have 100 bodies collected.
All Pods found.
Complete the flooded city.
255 enemies destroyed using a flight unit.
Emil's shop used for the first time.
Complete the forest castle.
Complete the alien ship.
80% of all plug-in chips collected.
At least 100,000 G in possession.
Have your body collected.
Complete the amusement park ruins.
Complete the desert area.
Complete your first quest.
Arrive at the city ruins.
Stare into space from the Bunker.