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