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