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