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