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