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