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